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Finding the Fourth Proportional to 89,953.25, 124,020.11 and 73,760.93

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Solution

The fourth proportional to 89,953.25, 124,020.11 and 73,760.93 is: 101,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.25 : 124,020.11 = 73,760.93 : x
  2. Step 2: Convert to fraction form
    89,953.25/124,020.11 = 73,760.93/x
  3. Step 3: Cross multiply
    89,953.25x = 124,020.11 × 73,760.93
  4. Step 4: Simplify right side
    89,953.25x = 9,147,838,283.50
  5. Step 5: Solve for x
    x = 9,147,838,283.50/89,953.25
  6. Step 6: Final answer
    x = 101,695.47

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1.5x scale

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.