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Finding the Fourth Proportional to 66,730.52, 100,210.20 and 59,250.92

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Solution

The fourth proportional to 66,730.52, 100,210.20 and 59,250.92 is: 88,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,730.52 : 100,210.20 = 59,250.92 : x
  2. Step 2: Convert to fraction form
    66,730.52/100,210.20 = 59,250.92/x
  3. Step 3: Cross multiply
    66,730.52x = 100,210.20 × 59,250.92
  4. Step 4: Simplify right side
    66,730.52x = 5,937,546,543.38
  5. Step 5: Solve for x
    x = 5,937,546,543.38/66,730.52
  6. Step 6: Final answer
    x = 88,977.98

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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.