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Finding the Fourth Proportional to 88,578,064.90, 132,867,097.35 and 86,587,408.90

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Solution

The fourth proportional to 88,578,064.90, 132,867,097.35 and 86,587,408.90 is: 129,881,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,064.90 : 132,867,097.35 = 86,587,408.90 : x
  2. Step 2: Convert to fraction form
    88,578,064.90/132,867,097.35 = 86,587,408.90/x
  3. Step 3: Cross multiply
    88,578,064.90x = 132,867,097.35 × 86,587,408.90
  4. Step 4: Simplify right side
    88,578,064.90x = 11,504,617,687,600,556
  5. Step 5: Solve for x
    x = 11,504,617,687,600,556/88,578,064.90
  6. Step 6: Final answer
    x = 129,881,113.35

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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.