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Finding the Fourth Proportional to 107,760.96, 148,669.92 and 107,594.82

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Solution

The fourth proportional to 107,760.96, 148,669.92 and 107,594.82 is: 148,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,760.96 : 148,669.92 = 107,594.82 : x
  2. Step 2: Convert to fraction form
    107,760.96/148,669.92 = 107,594.82/x
  3. Step 3: Cross multiply
    107,760.96x = 148,669.92 × 107,594.82
  4. Step 4: Simplify right side
    107,760.96x = 15,996,113,281.81
  5. Step 5: Solve for x
    x = 15,996,113,281.81/107,760.96
  6. Step 6: Final answer
    x = 148,440.71

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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.