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Finding the Fourth Proportional to 158,799.60, 238,199.40 and 69,958.80

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Solution

The fourth proportional to 158,799.60, 238,199.40 and 69,958.80 is: 104,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,799.60 : 238,199.40 = 69,958.80 : x
  2. Step 2: Convert to fraction form
    158,799.60/238,199.40 = 69,958.80/x
  3. Step 3: Cross multiply
    158,799.60x = 238,199.40 × 69,958.80
  4. Step 4: Simplify right side
    158,799.60x = 16,664,144,184.72
  5. Step 5: Solve for x
    x = 16,664,144,184.72/158,799.60
  6. Step 6: Final answer
    x = 104,938.20

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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.