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Finding the Fourth Proportional to 59,840.80, 89,761.20 and 52,064.80

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Solution

The fourth proportional to 59,840.80, 89,761.20 and 52,064.80 is: 78,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,840.80 : 89,761.20 = 52,064.80 : x
  2. Step 2: Convert to fraction form
    59,840.80/89,761.20 = 52,064.80/x
  3. Step 3: Cross multiply
    59,840.80x = 89,761.20 × 52,064.80
  4. Step 4: Simplify right side
    59,840.80x = 4,673,398,925.76
  5. Step 5: Solve for x
    x = 4,673,398,925.76/59,840.80
  6. Step 6: Final answer
    x = 78,097.20

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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.