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Finding the Fourth Proportional to 89,071,764.90, 133,607,647.35 and 89,071,764.90

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Solution

The fourth proportional to 89,071,764.90, 133,607,647.35 and 89,071,764.90 is: 133,607,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071,764.90 : 133,607,647.35 = 89,071,764.90 : x
  2. Step 2: Convert to fraction form
    89,071,764.90/133,607,647.35 = 89,071,764.90/x
  3. Step 3: Cross multiply
    89,071,764.90x = 133,607,647.35 × 89,071,764.90
  4. Step 4: Simplify right side
    89,071,764.90x = 11,900,668,953,601,308
  5. Step 5: Solve for x
    x = 11,900,668,953,601,308/89,071,764.90
  6. Step 6: Final answer
    x = 133,607,647.35

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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.