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Finding the Fourth Proportional to 192,740.38, 288,944.28 and 92,763.02

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Solution

The fourth proportional to 192,740.38, 288,944.28 and 92,763.02 is: 139,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,740.38 : 288,944.28 = 92,763.02 : x
  2. Step 2: Convert to fraction form
    192,740.38/288,944.28 = 92,763.02/x
  3. Step 3: Cross multiply
    192,740.38x = 288,944.28 × 92,763.02
  4. Step 4: Simplify right side
    192,740.38x = 26,803,344,746.89
  5. Step 5: Solve for x
    x = 26,803,344,746.89/192,740.38
  6. Step 6: Final answer
    x = 139,064.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.