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Finding the Fourth Proportional to 9,432,128.70, 14,148,193.05 and 9,432,128.70

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Solution

The fourth proportional to 9,432,128.70, 14,148,193.05 and 9,432,128.70 is: 14,148,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432,128.70 : 14,148,193.05 = 9,432,128.70 : x
  2. Step 2: Convert to fraction form
    9,432,128.70/14,148,193.05 = 9,432,128.70/x
  3. Step 3: Cross multiply
    9,432,128.70x = 14,148,193.05 × 9,432,128.70
  4. Step 4: Simplify right side
    9,432,128.70x = 133,447,577,720,045.53
  5. Step 5: Solve for x
    x = 133,447,577,720,045.53/9,432,128.70
  6. Step 6: Final answer
    x = 14,148,193.05

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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.