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Finding the Fourth Proportional to 66,715.46, 100,187.70 and 59,235.92

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Solution

The fourth proportional to 66,715.46, 100,187.70 and 59,235.92 is: 88,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715.46 : 100,187.70 = 59,235.92 : x
  2. Step 2: Convert to fraction form
    66,715.46/100,187.70 = 59,235.92/x
  3. Step 3: Cross multiply
    66,715.46x = 100,187.70 × 59,235.92
  4. Step 4: Simplify right side
    66,715.46x = 5,934,710,582.18
  5. Step 5: Solve for x
    x = 5,934,710,582.18/66,715.46
  6. Step 6: Final answer
    x = 88,955.55

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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.