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Finding the Fourth Proportional to 107,408.97, 148,228.58 and 73,488.60

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Solution

The fourth proportional to 107,408.97, 148,228.58 and 73,488.60 is: 101,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,408.97 : 148,228.58 = 73,488.60 : x
  2. Step 2: Convert to fraction form
    107,408.97/148,228.58 = 73,488.60/x
  3. Step 3: Cross multiply
    107,408.97x = 148,228.58 × 73,488.60
  4. Step 4: Simplify right side
    107,408.97x = 10,893,111,007.91
  5. Step 5: Solve for x
    x = 10,893,111,007.91/107,408.97
  6. Step 6: Final answer
    x = 101,417.14

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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.