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Finding the Fourth Proportional to 169,174,874.40, 253,478,876.40 and 144,799,447.20

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Solution

The fourth proportional to 169,174,874.40, 253,478,876.40 and 144,799,447.20 is: 216,956,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,174,874.40 : 253,478,876.40 = 144,799,447.20 : x
  2. Step 2: Convert to fraction form
    169,174,874.40/253,478,876.40 = 144,799,447.20/x
  3. Step 3: Cross multiply
    169,174,874.40x = 253,478,876.40 × 144,799,447.20
  4. Step 4: Simplify right side
    169,174,874.40x = 36,703,601,179,597,120
  5. Step 5: Solve for x
    x = 36,703,601,179,597,120/169,174,874.40
  6. Step 6: Final answer
    x = 216,956,574.14

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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.