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Finding the Fourth Proportional to 89,257.86, 133,762.50 and 59,307.30

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Solution

The fourth proportional to 89,257.86, 133,762.50 and 59,307.30 is: 88,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,257.86 : 133,762.50 = 59,307.30 : x
  2. Step 2: Convert to fraction form
    89,257.86/133,762.50 = 59,307.30/x
  3. Step 3: Cross multiply
    89,257.86x = 133,762.50 × 59,307.30
  4. Step 4: Simplify right side
    89,257.86x = 7,933,092,716.25
  5. Step 5: Solve for x
    x = 7,933,092,716.25/89,257.86
  6. Step 6: Final answer
    x = 88,878.37

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1.5x scale

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.