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Finding the Fourth Proportional to 296,166.43, 408,719.06 and 162,030.43

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Solution

The fourth proportional to 296,166.43, 408,719.06 and 162,030.43 is: 223,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,166.43 : 408,719.06 = 162,030.43 : x
  2. Step 2: Convert to fraction form
    296,166.43/408,719.06 = 162,030.43/x
  3. Step 3: Cross multiply
    296,166.43x = 408,719.06 × 162,030.43
  4. Step 4: Simplify right side
    296,166.43x = 66,224,925,041.00
  5. Step 5: Solve for x
    x = 66,224,925,041.00/296,166.43
  6. Step 6: Final answer
    x = 223,607.13

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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.