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Finding the Fourth Proportional to 107,662.47, 148,420.24 and 75,732.27

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Solution

The fourth proportional to 107,662.47, 148,420.24 and 75,732.27 is: 104,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,662.47 : 148,420.24 = 75,732.27 : x
  2. Step 2: Convert to fraction form
    107,662.47/148,420.24 = 75,732.27/x
  3. Step 3: Cross multiply
    107,662.47x = 148,420.24 × 75,732.27
  4. Step 4: Simplify right side
    107,662.47x = 11,240,201,689.14
  5. Step 5: Solve for x
    x = 11,240,201,689.14/107,662.47
  6. Step 6: Final answer
    x = 104,402.23

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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.