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Finding the Fourth Proportional to 89,703,637.20, 134,555,455.80 and 89,703,637.20

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Solution

The fourth proportional to 89,703,637.20, 134,555,455.80 and 89,703,637.20 is: 134,555,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,703,637.20 : 134,555,455.80 = 89,703,637.20 : x
  2. Step 2: Convert to fraction form
    89,703,637.20/134,555,455.80 = 89,703,637.20/x
  3. Step 3: Cross multiply
    89,703,637.20x = 134,555,455.80 × 89,703,637.20
  4. Step 4: Simplify right side
    89,703,637.20x = 12,070,113,790,363,838
  5. Step 5: Solve for x
    x = 12,070,113,790,363,838/89,703,637.20
  6. Step 6: Final answer
    x = 134,555,455.80

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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.