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Finding the Fourth Proportional to 125,187.35, 187,649.80 and 46,251.23

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Solution

The fourth proportional to 125,187.35, 187,649.80 and 46,251.23 is: 69,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,187.35 : 187,649.80 = 46,251.23 : x
  2. Step 2: Convert to fraction form
    125,187.35/187,649.80 = 46,251.23/x
  3. Step 3: Cross multiply
    125,187.35x = 187,649.80 × 46,251.23
  4. Step 4: Simplify right side
    125,187.35x = 8,679,033,005.38
  5. Step 5: Solve for x
    x = 8,679,033,005.38/125,187.35
  6. Step 6: Final answer
    x = 69,328.36

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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.