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Finding the Fourth Proportional to 247,925.40, 372,233.70 and 154,613.40

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Solution

The fourth proportional to 247,925.40, 372,233.70 and 154,613.40 is: 232,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,925.40 : 372,233.70 = 154,613.40 : x
  2. Step 2: Convert to fraction form
    247,925.40/372,233.70 = 154,613.40/x
  3. Step 3: Cross multiply
    247,925.40x = 372,233.70 × 154,613.40
  4. Step 4: Simplify right side
    247,925.40x = 57,552,317,951.58
  5. Step 5: Solve for x
    x = 57,552,317,951.58/247,925.40
  6. Step 6: Final answer
    x = 232,135.63

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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.