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Finding the Fourth Proportional to 247,599.81, 341,686.79 and 134,422.53

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Solution

The fourth proportional to 247,599.81, 341,686.79 and 134,422.53 is: 185,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,599.81 : 341,686.79 = 134,422.53 : x
  2. Step 2: Convert to fraction form
    247,599.81/341,686.79 = 134,422.53/x
  3. Step 3: Cross multiply
    247,599.81x = 341,686.79 × 134,422.53
  4. Step 4: Simplify right side
    247,599.81x = 45,930,402,107.27
  5. Step 5: Solve for x
    x = 45,930,402,107.27/247,599.81
  6. Step 6: Final answer
    x = 185,502.57

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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.