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Finding the Fourth Proportional to 88,532.50, 122,174.85 and 48,788.50

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Solution

The fourth proportional to 88,532.50, 122,174.85 and 48,788.50 is: 67,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,532.50 : 122,174.85 = 48,788.50 : x
  2. Step 2: Convert to fraction form
    88,532.50/122,174.85 = 48,788.50/x
  3. Step 3: Cross multiply
    88,532.50x = 122,174.85 × 48,788.50
  4. Step 4: Simplify right side
    88,532.50x = 5,960,727,669.23
  5. Step 5: Solve for x
    x = 5,960,727,669.23/88,532.50
  6. Step 6: Final answer
    x = 67,328.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.