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Finding the Fourth Proportional to 91,955.26, 137,373.89 and 58,406.68

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Solution

The fourth proportional to 91,955.26, 137,373.89 and 58,406.68 is: 87,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,955.26 : 137,373.89 = 58,406.68 : x
  2. Step 2: Convert to fraction form
    91,955.26/137,373.89 = 58,406.68/x
  3. Step 3: Cross multiply
    91,955.26x = 137,373.89 × 58,406.68
  4. Step 4: Simplify right side
    91,955.26x = 8,023,552,833.59
  5. Step 5: Solve for x
    x = 8,023,552,833.59/91,955.26
  6. Step 6: Final answer
    x = 87,254.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.