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Finding the Fourth Proportional to 124,325.91, 186,488.67 and 57,729.63

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Solution

The fourth proportional to 124,325.91, 186,488.67 and 57,729.63 is: 86,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,325.91 : 186,488.67 = 57,729.63 : x
  2. Step 2: Convert to fraction form
    124,325.91/186,488.67 = 57,729.63/x
  3. Step 3: Cross multiply
    124,325.91x = 186,488.67 × 57,729.63
  4. Step 4: Simplify right side
    124,325.91x = 10,765,921,918.29
  5. Step 5: Solve for x
    x = 10,765,921,918.29/124,325.91
  6. Step 6: Final answer
    x = 86,594.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.