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Finding the Fourth Proportional to 98,754.52, 148,127.46 and 28,632.28

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Solution

The fourth proportional to 98,754.52, 148,127.46 and 28,632.28 is: 42,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,754.52 : 148,127.46 = 28,632.28 : x
  2. Step 2: Convert to fraction form
    98,754.52/148,127.46 = 28,632.28/x
  3. Step 3: Cross multiply
    98,754.52x = 148,127.46 × 28,632.28
  4. Step 4: Simplify right side
    98,754.52x = 4,241,226,910.41
  5. Step 5: Solve for x
    x = 4,241,226,910.41/98,754.52
  6. Step 6: Final answer
    x = 42,947.17

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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.