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Finding the Fourth Proportional to 88,307.38, 121,867.38 and 50,588.92

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Solution

The fourth proportional to 88,307.38, 121,867.38 and 50,588.92 is: 69,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,307.38 : 121,867.38 = 50,588.92 : x
  2. Step 2: Convert to fraction form
    88,307.38/121,867.38 = 50,588.92/x
  3. Step 3: Cross multiply
    88,307.38x = 121,867.38 × 50,588.92
  4. Step 4: Simplify right side
    88,307.38x = 6,165,139,203.54
  5. Step 5: Solve for x
    x = 6,165,139,203.54/88,307.38
  6. Step 6: Final answer
    x = 69,814.54

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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.