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Finding the Fourth Proportional to 226,299.61, 312,293.59 and 124,331.65

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Solution

The fourth proportional to 226,299.61, 312,293.59 and 124,331.65 is: 171,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,299.61 : 312,293.59 = 124,331.65 : x
  2. Step 2: Convert to fraction form
    226,299.61/312,293.59 = 124,331.65/x
  3. Step 3: Cross multiply
    226,299.61x = 312,293.59 × 124,331.65
  4. Step 4: Simplify right side
    226,299.61x = 38,827,977,329.12
  5. Step 5: Solve for x
    x = 38,827,977,329.12/226,299.61
  6. Step 6: Final answer
    x = 171,577.75

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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.