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Finding the Fourth Proportional to 295,702,890.71, 408,053,458.74 and 161,714,345.54

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Solution

The fourth proportional to 295,702,890.71, 408,053,458.74 and 161,714,345.54 is: 223,156,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,702,890.71 : 408,053,458.74 = 161,714,345.54 : x
  2. Step 2: Convert to fraction form
    295,702,890.71/408,053,458.74 = 161,714,345.54/x
  3. Step 3: Cross multiply
    295,702,890.71x = 408,053,458.74 × 161,714,345.54
  4. Step 4: Simplify right side
    295,702,890.71x = 65,988,098,026,492,624
  5. Step 5: Solve for x
    x = 65,988,098,026,492,624/295,702,890.71
  6. Step 6: Final answer
    x = 223,156,756.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.