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Finding the Fourth Proportional to 98,092.71, 147,037.01 and 45,458.91

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Solution

The fourth proportional to 98,092.71, 147,037.01 and 45,458.91 is: 68,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,092.71 : 147,037.01 = 45,458.91 : x
  2. Step 2: Convert to fraction form
    98,092.71/147,037.01 = 45,458.91/x
  3. Step 3: Cross multiply
    98,092.71x = 147,037.01 × 45,458.91
  4. Step 4: Simplify right side
    98,092.71x = 6,684,141,976.96
  5. Step 5: Solve for x
    x = 6,684,141,976.96/98,092.71
  6. Step 6: Final answer
    x = 68,141.07

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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.