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Finding the Fourth Proportional to 144,894,471.60, 217,341,707.40 and 130,561,748.40

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Solution

The fourth proportional to 144,894,471.60, 217,341,707.40 and 130,561,748.40 is: 195,842,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,894,471.60 : 217,341,707.40 = 130,561,748.40 : x
  2. Step 2: Convert to fraction form
    144,894,471.60/217,341,707.40 = 130,561,748.40/x
  3. Step 3: Cross multiply
    144,894,471.60x = 217,341,707.40 × 130,561,748.40
  4. Step 4: Simplify right side
    144,894,471.60x = 28,376,513,318,385,220
  5. Step 5: Solve for x
    x = 28,376,513,318,385,220/144,894,471.60
  6. Step 6: Final answer
    x = 195,842,622.60

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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.