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Finding the Fourth Proportional to 66,233.60, 99,350.40 and 61,164.80

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Solution

The fourth proportional to 66,233.60, 99,350.40 and 61,164.80 is: 91,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.60 : 99,350.40 = 61,164.80 : x
  2. Step 2: Convert to fraction form
    66,233.60/99,350.40 = 61,164.80/x
  3. Step 3: Cross multiply
    66,233.60x = 99,350.40 × 61,164.80
  4. Step 4: Simplify right side
    66,233.60x = 6,076,747,345.92
  5. Step 5: Solve for x
    x = 6,076,747,345.92/66,233.60
  6. Step 6: Final answer
    x = 91,747.20

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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.