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Finding the Fourth Proportional to 104,658.93, 144,378.59 and 62,187.39

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Solution

The fourth proportional to 104,658.93, 144,378.59 and 62,187.39 is: 85,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.93 : 144,378.59 = 62,187.39 : x
  2. Step 2: Convert to fraction form
    104,658.93/144,378.59 = 62,187.39/x
  3. Step 3: Cross multiply
    104,658.93x = 144,378.59 × 62,187.39
  4. Step 4: Simplify right side
    104,658.93x = 8,978,527,373.04
  5. Step 5: Solve for x
    x = 8,978,527,373.04/104,658.93
  6. Step 6: Final answer
    x = 85,788.45

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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.