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Finding the Fourth Proportional to 88,572,013.40, 132,858,020.10 and 88,572,013.40

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Solution

The fourth proportional to 88,572,013.40, 132,858,020.10 and 88,572,013.40 is: 132,858,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,572,013.40 : 132,858,020.10 = 88,572,013.40 : x
  2. Step 2: Convert to fraction form
    88,572,013.40/132,858,020.10 = 88,572,013.40/x
  3. Step 3: Cross multiply
    88,572,013.40x = 132,858,020.10 × 88,572,013.40
  4. Step 4: Simplify right side
    88,572,013.40x = 11,767,502,336,594,670
  5. Step 5: Solve for x
    x = 11,767,502,336,594,670/88,572,013.40
  6. Step 6: Final answer
    x = 132,858,020.10

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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.