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Finding the Fourth Proportional to 66,130.48, 99,092.04 and 56,229.04

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Solution

The fourth proportional to 66,130.48, 99,092.04 and 56,229.04 is: 84,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,130.48 : 99,092.04 = 56,229.04 : x
  2. Step 2: Convert to fraction form
    66,130.48/99,092.04 = 56,229.04/x
  3. Step 3: Cross multiply
    66,130.48x = 99,092.04 × 56,229.04
  4. Step 4: Simplify right side
    66,130.48x = 5,571,850,280.84
  5. Step 5: Solve for x
    x = 5,571,850,280.84/66,130.48
  6. Step 6: Final answer
    x = 84,255.40

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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.