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Finding the Fourth Proportional to 88,925.75, 133,434.63 and 39,040.88

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Solution

The fourth proportional to 88,925.75, 133,434.63 and 39,040.88 is: 58,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,925.75 : 133,434.63 = 39,040.88 : x
  2. Step 2: Convert to fraction form
    88,925.75/133,434.63 = 39,040.88/x
  3. Step 3: Cross multiply
    88,925.75x = 133,434.63 × 39,040.88
  4. Step 4: Simplify right side
    88,925.75x = 5,209,404,710.50
  5. Step 5: Solve for x
    x = 5,209,404,710.50/88,925.75
  6. Step 6: Final answer
    x = 58,581.51

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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.