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Finding the Fourth Proportional to 67,663.60, 101,349.60 and 55,999.60

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Solution

The fourth proportional to 67,663.60, 101,349.60 and 55,999.60 is: 83,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,663.60 : 101,349.60 = 55,999.60 : x
  2. Step 2: Convert to fraction form
    67,663.60/101,349.60 = 55,999.60/x
  3. Step 3: Cross multiply
    67,663.60x = 101,349.60 × 55,999.60
  4. Step 4: Simplify right side
    67,663.60x = 5,675,537,060.16
  5. Step 5: Solve for x
    x = 5,675,537,060.16/67,663.60
  6. Step 6: Final answer
    x = 83,878.73

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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.