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Finding the Fourth Proportional to 91,546.84, 137,550.32 and 58,281.76

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Solution

The fourth proportional to 91,546.84, 137,550.32 and 58,281.76 is: 87,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,546.84 : 137,550.32 = 58,281.76 : x
  2. Step 2: Convert to fraction form
    91,546.84/137,550.32 = 58,281.76/x
  3. Step 3: Cross multiply
    91,546.84x = 137,550.32 × 58,281.76
  4. Step 4: Simplify right side
    91,546.84x = 8,016,674,738.16
  5. Step 5: Solve for x
    x = 8,016,674,738.16/91,546.84
  6. Step 6: Final answer
    x = 87,569.10

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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.