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Finding the Fourth Proportional to 376,960.13, 565,432.42 and 124,255.79

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Solution

The fourth proportional to 376,960.13, 565,432.42 and 124,255.79 is: 186,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,960.13 : 565,432.42 = 124,255.79 : x
  2. Step 2: Convert to fraction form
    376,960.13/565,432.42 = 124,255.79/x
  3. Step 3: Cross multiply
    376,960.13x = 565,432.42 × 124,255.79
  4. Step 4: Simplify right side
    376,960.13x = 70,258,252,038.71
  5. Step 5: Solve for x
    x = 70,258,252,038.71/376,960.13
  6. Step 6: Final answer
    x = 186,381.12

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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.