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Finding the Fourth Proportional to 135,897.96, 187,473.78 and 88,166.28

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Solution

The fourth proportional to 135,897.96, 187,473.78 and 88,166.28 is: 121,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,897.96 : 187,473.78 = 88,166.28 : x
  2. Step 2: Convert to fraction form
    135,897.96/187,473.78 = 88,166.28/x
  3. Step 3: Cross multiply
    135,897.96x = 187,473.78 × 88,166.28
  4. Step 4: Simplify right side
    135,897.96x = 16,528,865,780.14
  5. Step 5: Solve for x
    x = 16,528,865,780.14/135,897.96
  6. Step 6: Final answer
    x = 121,627.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.