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Finding the Fourth Proportional to 107,671.68, 148,595.50 and 62,350.46

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Solution

The fourth proportional to 107,671.68, 148,595.50 and 62,350.46 is: 86,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,671.68 : 148,595.50 = 62,350.46 : x
  2. Step 2: Convert to fraction form
    107,671.68/148,595.50 = 62,350.46/x
  3. Step 3: Cross multiply
    107,671.68x = 148,595.50 × 62,350.46
  4. Step 4: Simplify right side
    107,671.68x = 9,264,997,320.40
  5. Step 5: Solve for x
    x = 9,264,997,320.40/107,671.68
  6. Step 6: Final answer
    x = 86,048.60

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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.