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Finding the Fourth Proportional to 97,517.89, 134,574.66 and 52,805.89

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Solution

The fourth proportional to 97,517.89, 134,574.66 and 52,805.89 is: 72,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,517.89 : 134,574.66 = 52,805.89 : x
  2. Step 2: Convert to fraction form
    97,517.89/134,574.66 = 52,805.89/x
  3. Step 3: Cross multiply
    97,517.89x = 134,574.66 × 52,805.89
  4. Step 4: Simplify right side
    97,517.89x = 7,106,334,692.75
  5. Step 5: Solve for x
    x = 7,106,334,692.75/97,517.89
  6. Step 6: Final answer
    x = 72,872.11

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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.