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Finding the Fourth Proportional to 124,512.56, 171,827.28 and 67,924.32

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Solution

The fourth proportional to 124,512.56, 171,827.28 and 67,924.32 is: 93,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,512.56 : 171,827.28 = 67,924.32 : x
  2. Step 2: Convert to fraction form
    124,512.56/171,827.28 = 67,924.32/x
  3. Step 3: Cross multiply
    124,512.56x = 171,827.28 × 67,924.32
  4. Step 4: Simplify right side
    124,512.56x = 11,671,251,151.45
  5. Step 5: Solve for x
    x = 11,671,251,151.45/124,512.56
  6. Step 6: Final answer
    x = 93,735.53

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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.