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Finding the Fourth Proportional to 125,279.33, 187,893.47 and 46,374.80

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Solution

The fourth proportional to 125,279.33, 187,893.47 and 46,374.80 is: 69,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,279.33 : 187,893.47 = 46,374.80 : x
  2. Step 2: Convert to fraction form
    125,279.33/187,893.47 = 46,374.80/x
  3. Step 3: Cross multiply
    125,279.33x = 187,893.47 × 46,374.80
  4. Step 4: Simplify right side
    125,279.33x = 8,713,521,269.03
  5. Step 5: Solve for x
    x = 8,713,521,269.03/125,279.33
  6. Step 6: Final answer
    x = 69,552.75

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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.