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Finding the Fourth Proportional to 134,652.92, 185,822.34 and 74,225.84

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Solution

The fourth proportional to 134,652.92, 185,822.34 and 74,225.84 is: 102,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,652.92 : 185,822.34 = 74,225.84 : x
  2. Step 2: Convert to fraction form
    134,652.92/185,822.34 = 74,225.84/x
  3. Step 3: Cross multiply
    134,652.92x = 185,822.34 × 74,225.84
  4. Step 4: Simplify right side
    134,652.92x = 13,792,819,277.27
  5. Step 5: Solve for x
    x = 13,792,819,277.27/134,652.92
  6. Step 6: Final answer
    x = 102,432.38

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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.