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Finding the Fourth Proportional to 90,194.59, 124,366.67 and 67,460.72

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Solution

The fourth proportional to 90,194.59, 124,366.67 and 67,460.72 is: 93,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,194.59 : 124,366.67 = 67,460.72 : x
  2. Step 2: Convert to fraction form
    90,194.59/124,366.67 = 67,460.72/x
  3. Step 3: Cross multiply
    90,194.59x = 124,366.67 × 67,460.72
  4. Step 4: Simplify right side
    90,194.59x = 8,389,865,102.20
  5. Step 5: Solve for x
    x = 8,389,865,102.20/90,194.59
  6. Step 6: Final answer
    x = 93,019.60

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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.