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Finding the Fourth Proportional to 94,489.32, 130,264.56 and 67,584.90

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Solution

The fourth proportional to 94,489.32, 130,264.56 and 67,584.90 is: 93,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,489.32 : 130,264.56 = 67,584.90 : x
  2. Step 2: Convert to fraction form
    94,489.32/130,264.56 = 67,584.90/x
  3. Step 3: Cross multiply
    94,489.32x = 130,264.56 × 67,584.90
  4. Step 4: Simplify right side
    94,489.32x = 8,803,917,261.14
  5. Step 5: Solve for x
    x = 8,803,917,261.14/94,489.32
  6. Step 6: Final answer
    x = 93,173.68

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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.