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Finding the Fourth Proportional to 179,436.74, 247,620.40 and 97,768.39

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Solution

The fourth proportional to 179,436.74, 247,620.40 and 97,768.39 is: 134,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,436.74 : 247,620.40 = 97,768.39 : x
  2. Step 2: Convert to fraction form
    179,436.74/247,620.40 = 97,768.39/x
  3. Step 3: Cross multiply
    179,436.74x = 247,620.40 × 97,768.39
  4. Step 4: Simplify right side
    179,436.74x = 24,209,447,839.16
  5. Step 5: Solve for x
    x = 24,209,447,839.16/179,436.74
  6. Step 6: Final answer
    x = 134,919.12

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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.