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Finding the Fourth Proportional to 61,193.67, 91,281.98 and 60,178.68

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Solution

The fourth proportional to 61,193.67, 91,281.98 and 60,178.68 is: 89,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,193.67 : 91,281.98 = 60,178.68 : x
  2. Step 2: Convert to fraction form
    61,193.67/91,281.98 = 60,178.68/x
  3. Step 3: Cross multiply
    61,193.67x = 91,281.98 × 60,178.68
  4. Step 4: Simplify right side
    61,193.67x = 5,493,228,763.29
  5. Step 5: Solve for x
    x = 5,493,228,763.29/61,193.67
  6. Step 6: Final answer
    x = 89,767.92

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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.