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Finding the Fourth Proportional to 101,048.52, 151,573.14 and 98,612.76

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Solution

The fourth proportional to 101,048.52, 151,573.14 and 98,612.76 is: 147,919.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,048.52 : 151,573.14 = 98,612.76 : x
  2. Step 2: Convert to fraction form
    101,048.52/151,573.14 = 98,612.76/x
  3. Step 3: Cross multiply
    101,048.52x = 151,573.14 × 98,612.76
  4. Step 4: Simplify right side
    101,048.52x = 14,947,045,677.27
  5. Step 5: Solve for x
    x = 14,947,045,677.27/101,048.52
  6. Step 6: Final answer
    x = 147,919.49

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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.