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Finding the Fourth Proportional to 158,248.85, 218,307.87 and 97,797.74

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Solution

The fourth proportional to 158,248.85, 218,307.87 and 97,797.74 is: 134,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,248.85 : 218,307.87 = 97,797.74 : x
  2. Step 2: Convert to fraction form
    158,248.85/218,307.87 = 97,797.74/x
  3. Step 3: Cross multiply
    158,248.85x = 218,307.87 × 97,797.74
  4. Step 4: Simplify right side
    158,248.85x = 21,350,015,218.67
  5. Step 5: Solve for x
    x = 21,350,015,218.67/158,248.85
  6. Step 6: Final answer
    x = 134,914.19

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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.