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Finding the Fourth Proportional to 113,924.80, 157,202.80 and 62,934.56

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Solution

The fourth proportional to 113,924.80, 157,202.80 and 62,934.56 is: 86,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,924.80 : 157,202.80 = 62,934.56 : x
  2. Step 2: Convert to fraction form
    113,924.80/157,202.80 = 62,934.56/x
  3. Step 3: Cross multiply
    113,924.80x = 157,202.80 × 62,934.56
  4. Step 4: Simplify right side
    113,924.80x = 9,893,489,048.77
  5. Step 5: Solve for x
    x = 9,893,489,048.77/113,924.80
  6. Step 6: Final answer
    x = 86,842.28

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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.