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Finding the Fourth Proportional to 78,373.80, 108,168.06 and 44,384.04

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Solution

The fourth proportional to 78,373.80, 108,168.06 and 44,384.04 is: 61,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,373.80 : 108,168.06 = 44,384.04 : x
  2. Step 2: Convert to fraction form
    78,373.80/108,168.06 = 44,384.04/x
  3. Step 3: Cross multiply
    78,373.80x = 108,168.06 × 44,384.04
  4. Step 4: Simplify right side
    78,373.80x = 4,800,935,501.76
  5. Step 5: Solve for x
    x = 4,800,935,501.76/78,373.80
  6. Step 6: Final answer
    x = 61,256.89

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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.