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Finding the Fourth Proportional to 113,224.60, 156,258.66 and 67,904.29

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Solution

The fourth proportional to 113,224.60, 156,258.66 and 67,904.29 is: 93,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,224.60 : 156,258.66 = 67,904.29 : x
  2. Step 2: Convert to fraction form
    113,224.60/156,258.66 = 67,904.29/x
  3. Step 3: Cross multiply
    113,224.60x = 156,258.66 × 67,904.29
  4. Step 4: Simplify right side
    113,224.60x = 10,610,633,363.65
  5. Step 5: Solve for x
    x = 10,610,633,363.65/113,224.60
  6. Step 6: Final answer
    x = 93,713.15

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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.