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Finding the Fourth Proportional to 73,898.80, 110,864.40 and 23,970.40

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Solution

The fourth proportional to 73,898.80, 110,864.40 and 23,970.40 is: 35,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.80 : 110,864.40 = 23,970.40 : x
  2. Step 2: Convert to fraction form
    73,898.80/110,864.40 = 23,970.40/x
  3. Step 3: Cross multiply
    73,898.80x = 110,864.40 × 23,970.40
  4. Step 4: Simplify right side
    73,898.80x = 2,657,464,013.76
  5. Step 5: Solve for x
    x = 2,657,464,013.76/73,898.80
  6. Step 6: Final answer
    x = 35,960.85

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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.