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Finding the Fourth Proportional to 107,455, 148,284.96 and 59,707.12

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Solution

The fourth proportional to 107,455, 148,284.96 and 59,707.12 is: 82,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,455 : 148,284.96 = 59,707.12 : x
  2. Step 2: Convert to fraction form
    107,455/148,284.96 = 59,707.12/x
  3. Step 3: Cross multiply
    107,455x = 148,284.96 × 59,707.12
  4. Step 4: Simplify right side
    107,455x = 8,853,667,900.92
  5. Step 5: Solve for x
    x = 8,853,667,900.92/107,455
  6. Step 6: Final answer
    x = 82,394.19

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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.