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Finding the Fourth Proportional to 107,603.40, 148,489.29 and 59,856.33

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Solution

The fourth proportional to 107,603.40, 148,489.29 and 59,856.33 is: 82,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,603.40 : 148,489.29 = 59,856.33 : x
  2. Step 2: Convert to fraction form
    107,603.40/148,489.29 = 59,856.33/x
  3. Step 3: Cross multiply
    107,603.40x = 148,489.29 × 59,856.33
  4. Step 4: Simplify right side
    107,603.40x = 8,888,023,943.71
  5. Step 5: Solve for x
    x = 8,888,023,943.71/107,603.40
  6. Step 6: Final answer
    x = 82,599.84

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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.