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Finding the Fourth Proportional to 125,115.69, 187,662.60 and 46,230.60

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Solution

The fourth proportional to 125,115.69, 187,662.60 and 46,230.60 is: 69,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,115.69 : 187,662.60 = 46,230.60 : x
  2. Step 2: Convert to fraction form
    125,115.69/187,662.60 = 46,230.60/x
  3. Step 3: Cross multiply
    125,115.69x = 187,662.60 × 46,230.60
  4. Step 4: Simplify right side
    125,115.69x = 8,675,754,595.56
  5. Step 5: Solve for x
    x = 8,675,754,595.56/125,115.69
  6. Step 6: Final answer
    x = 69,341.86

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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.