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Finding the Fourth Proportional to 107,218.72, 147,949.14 and 59,460.40

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Solution

The fourth proportional to 107,218.72, 147,949.14 and 59,460.40 is: 82,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,218.72 : 147,949.14 = 59,460.40 : x
  2. Step 2: Convert to fraction form
    107,218.72/147,949.14 = 59,460.40/x
  3. Step 3: Cross multiply
    107,218.72x = 147,949.14 × 59,460.40
  4. Step 4: Simplify right side
    107,218.72x = 8,797,115,044.06
  5. Step 5: Solve for x
    x = 8,797,115,044.06/107,218.72
  6. Step 6: Final answer
    x = 82,048.31

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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.