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Finding the Fourth Proportional to 94,478, 130,378.24 and 52,036.56

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Solution

The fourth proportional to 94,478, 130,378.24 and 52,036.56 is: 71,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,478 : 130,378.24 = 52,036.56 : x
  2. Step 2: Convert to fraction form
    94,478/130,378.24 = 52,036.56/x
  3. Step 3: Cross multiply
    94,478x = 130,378.24 × 52,036.56
  4. Step 4: Simplify right side
    94,478x = 6,784,435,108.45
  5. Step 5: Solve for x
    x = 6,784,435,108.45/94,478
  6. Step 6: Final answer
    x = 71,809.68

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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.