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Finding the Fourth Proportional to 103,588.94, 142,951.94 and 58,876.94

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Solution

The fourth proportional to 103,588.94, 142,951.94 and 58,876.94 is: 81,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,588.94 : 142,951.94 = 58,876.94 : x
  2. Step 2: Convert to fraction form
    103,588.94/142,951.94 = 58,876.94/x
  3. Step 3: Cross multiply
    103,588.94x = 142,951.94 × 58,876.94
  4. Step 4: Simplify right side
    103,588.94x = 8,416,572,794.26
  5. Step 5: Solve for x
    x = 8,416,572,794.26/103,588.94
  6. Step 6: Final answer
    x = 81,249.72

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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.