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Finding the Fourth Proportional to 90,196.59, 124,369.44 and 67,462.71

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Solution

The fourth proportional to 90,196.59, 124,369.44 and 67,462.71 is: 93,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196.59 : 124,369.44 = 67,462.71 : x
  2. Step 2: Convert to fraction form
    90,196.59/124,369.44 = 67,462.71/x
  3. Step 3: Cross multiply
    90,196.59x = 124,369.44 × 67,462.71
  4. Step 4: Simplify right side
    90,196.59x = 8,390,299,463.58
  5. Step 5: Solve for x
    x = 8,390,299,463.58/90,196.59
  6. Step 6: Final answer
    x = 93,022.36

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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.