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Finding the Fourth Proportional to 186,509,862.60, 279,764,793.90 and 175,163,123.40

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Solution

The fourth proportional to 186,509,862.60, 279,764,793.90 and 175,163,123.40 is: 262,744,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,509,862.60 : 279,764,793.90 = 175,163,123.40 : x
  2. Step 2: Convert to fraction form
    186,509,862.60/279,764,793.90 = 175,163,123.40/x
  3. Step 3: Cross multiply
    186,509,862.60x = 279,764,793.90 × 175,163,123.40
  4. Step 4: Simplify right side
    186,509,862.60x = 49,004,475,116,881,264
  5. Step 5: Solve for x
    x = 49,004,475,116,881,264/186,509,862.60
  6. Step 6: Final answer
    x = 262,744,685.10

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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.