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Finding the Fourth Proportional to 91,165.60, 136,677.59 and 59,076.88

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Solution

The fourth proportional to 91,165.60, 136,677.59 and 59,076.88 is: 88,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,165.60 : 136,677.59 = 59,076.88 : x
  2. Step 2: Convert to fraction form
    91,165.60/136,677.59 = 59,076.88/x
  3. Step 3: Cross multiply
    91,165.60x = 136,677.59 × 59,076.88
  4. Step 4: Simplify right side
    91,165.60x = 8,074,485,924.81
  5. Step 5: Solve for x
    x = 8,074,485,924.81/91,165.60
  6. Step 6: Final answer
    x = 88,569.44

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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.