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Finding the Fourth Proportional to 107,323.76, 148,113.68 and 62,003.68

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Solution

The fourth proportional to 107,323.76, 148,113.68 and 62,003.68 is: 85,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,323.76 : 148,113.68 = 62,003.68 : x
  2. Step 2: Convert to fraction form
    107,323.76/148,113.68 = 62,003.68/x
  3. Step 3: Cross multiply
    107,323.76x = 148,113.68 × 62,003.68
  4. Step 4: Simplify right side
    107,323.76x = 9,183,593,218.34
  5. Step 5: Solve for x
    x = 9,183,593,218.34/107,323.76
  6. Step 6: Final answer
    x = 85,569.06

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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.