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Finding the Fourth Proportional to 88,503.87, 122,134.98 and 48,217.51

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Solution

The fourth proportional to 88,503.87, 122,134.98 and 48,217.51 is: 66,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,503.87 : 122,134.98 = 48,217.51 : x
  2. Step 2: Convert to fraction form
    88,503.87/122,134.98 = 48,217.51/x
  3. Step 3: Cross multiply
    88,503.87x = 122,134.98 × 48,217.51
  4. Step 4: Simplify right side
    88,503.87x = 5,889,044,378.41
  5. Step 5: Solve for x
    x = 5,889,044,378.41/88,503.87
  6. Step 6: Final answer
    x = 66,539.96

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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.