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Finding the Fourth Proportional to 97,424.50, 134,445.82 and 52,712.50

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Solution

The fourth proportional to 97,424.50, 134,445.82 and 52,712.50 is: 72,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,424.50 : 134,445.82 = 52,712.50 : x
  2. Step 2: Convert to fraction form
    97,424.50/134,445.82 = 52,712.50/x
  3. Step 3: Cross multiply
    97,424.50x = 134,445.82 × 52,712.50
  4. Step 4: Simplify right side
    97,424.50x = 7,086,975,286.75
  5. Step 5: Solve for x
    x = 7,086,975,286.75/97,424.50
  6. Step 6: Final answer
    x = 72,743.26

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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.