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Finding the Fourth Proportional to 10,862,557.80, 15,250,096.20 and 10,862,557.80

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Solution

The fourth proportional to 10,862,557.80, 15,250,096.20 and 10,862,557.80 is: 15,250,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862,557.80 : 15,250,096.20 = 10,862,557.80 : x
  2. Step 2: Convert to fraction form
    10,862,557.80/15,250,096.20 = 10,862,557.80/x
  3. Step 3: Cross multiply
    10,862,557.80x = 15,250,096.20 × 10,862,557.80
  4. Step 4: Simplify right side
    10,862,557.80x = 165,655,051,428,060.38
  5. Step 5: Solve for x
    x = 165,655,051,428,060.38/10,862,557.80
  6. Step 6: Final answer
    x = 15,250,096.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.