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Finding the Fourth Proportional to 88,372.58, 121,958.44 and 50,646.92

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Solution

The fourth proportional to 88,372.58, 121,958.44 and 50,646.92 is: 69,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,372.58 : 121,958.44 = 50,646.92 : x
  2. Step 2: Convert to fraction form
    88,372.58/121,958.44 = 50,646.92/x
  3. Step 3: Cross multiply
    88,372.58x = 121,958.44 × 50,646.92
  4. Step 4: Simplify right side
    88,372.58x = 6,176,819,354.00
  5. Step 5: Solve for x
    x = 6,176,819,354.00/88,372.58
  6. Step 6: Final answer
    x = 69,895.20

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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.