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Finding the Fourth Proportional to 58,921.40, 88,284.90 and 50,173.40

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Solution

The fourth proportional to 58,921.40, 88,284.90 and 50,173.40 is: 75,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,921.40 : 88,284.90 = 50,173.40 : x
  2. Step 2: Convert to fraction form
    58,921.40/88,284.90 = 50,173.40/x
  3. Step 3: Cross multiply
    58,921.40x = 88,284.90 × 50,173.40
  4. Step 4: Simplify right side
    58,921.40x = 4,429,553,601.66
  5. Step 5: Solve for x
    x = 4,429,553,601.66/58,921.40
  6. Step 6: Final answer
    x = 75,177.33

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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.