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Finding the Fourth Proportional to 226,729.53, 312,870.74 and 124,752.69

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Solution

The fourth proportional to 226,729.53, 312,870.74 and 124,752.69 is: 172,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,729.53 : 312,870.74 = 124,752.69 : x
  2. Step 2: Convert to fraction form
    226,729.53/312,870.74 = 124,752.69/x
  3. Step 3: Cross multiply
    226,729.53x = 312,870.74 × 124,752.69
  4. Step 4: Simplify right side
    226,729.53x = 39,031,465,813.53
  5. Step 5: Solve for x
    x = 39,031,465,813.53/226,729.53
  6. Step 6: Final answer
    x = 172,149.90

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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.