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Finding the Fourth Proportional to 292,230.30, 438,345.45 and 114,743.10

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Solution

The fourth proportional to 292,230.30, 438,345.45 and 114,743.10 is: 172,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,230.30 : 438,345.45 = 114,743.10 : x
  2. Step 2: Convert to fraction form
    292,230.30/438,345.45 = 114,743.10/x
  3. Step 3: Cross multiply
    292,230.30x = 438,345.45 × 114,743.10
  4. Step 4: Simplify right side
    292,230.30x = 50,297,115,803.90
  5. Step 5: Solve for x
    x = 50,297,115,803.90/292,230.30
  6. Step 6: Final answer
    x = 172,114.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.