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Finding the Fourth Proportional to 186,626,957.60, 279,940,436.40 and 159,417,178.40

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Solution

The fourth proportional to 186,626,957.60, 279,940,436.40 and 159,417,178.40 is: 239,125,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626,957.60 : 279,940,436.40 = 159,417,178.40 : x
  2. Step 2: Convert to fraction form
    186,626,957.60/279,940,436.40 = 159,417,178.40/x
  3. Step 3: Cross multiply
    186,626,957.60x = 279,940,436.40 × 159,417,178.40
  4. Step 4: Simplify right side
    186,626,957.60x = 44,627,314,490,952,648
  5. Step 5: Solve for x
    x = 44,627,314,490,952,648/186,626,957.60
  6. Step 6: Final answer
    x = 239,125,767.60

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