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Finding the Fourth Proportional to 66,166.80, 99,250.20 and 60,723.60

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Solution

The fourth proportional to 66,166.80, 99,250.20 and 60,723.60 is: 91,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,166.80 : 99,250.20 = 60,723.60 : x
  2. Step 2: Convert to fraction form
    66,166.80/99,250.20 = 60,723.60/x
  3. Step 3: Cross multiply
    66,166.80x = 99,250.20 × 60,723.60
  4. Step 4: Simplify right side
    66,166.80x = 6,026,829,444.72
  5. Step 5: Solve for x
    x = 6,026,829,444.72/66,166.80
  6. Step 6: Final answer
    x = 91,085.40

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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.