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Finding the Fourth Proportional to 124,520.56, 171,838.32 and 67,932.32

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Solution

The fourth proportional to 124,520.56, 171,838.32 and 67,932.32 is: 93,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,520.56 : 171,838.32 = 67,932.32 : x
  2. Step 2: Convert to fraction form
    124,520.56/171,838.32 = 67,932.32/x
  3. Step 3: Cross multiply
    124,520.56x = 171,838.32 × 67,932.32
  4. Step 4: Simplify right side
    124,520.56x = 11,673,375,742.50
  5. Step 5: Solve for x
    x = 11,673,375,742.50/124,520.56
  6. Step 6: Final answer
    x = 93,746.57

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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.