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Finding the Fourth Proportional to 78,522.71, 108,364.17 and 44,995.19

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Solution

The fourth proportional to 78,522.71, 108,364.17 and 44,995.19 is: 62,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,522.71 : 108,364.17 = 44,995.19 : x
  2. Step 2: Convert to fraction form
    78,522.71/108,364.17 = 44,995.19/x
  3. Step 3: Cross multiply
    78,522.71x = 108,364.17 × 44,995.19
  4. Step 4: Simplify right side
    78,522.71x = 4,875,865,876.52
  5. Step 5: Solve for x
    x = 4,875,865,876.52/78,522.71
  6. Step 6: Final answer
    x = 62,094.98

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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.