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Finding the Fourth Proportional to 192,017.80, 288,026.70 and 113,091.40

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Solution

The fourth proportional to 192,017.80, 288,026.70 and 113,091.40 is: 169,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,017.80 : 288,026.70 = 113,091.40 : x
  2. Step 2: Convert to fraction form
    192,017.80/288,026.70 = 113,091.40/x
  3. Step 3: Cross multiply
    192,017.80x = 288,026.70 × 113,091.40
  4. Step 4: Simplify right side
    192,017.80x = 32,573,342,740.38
  5. Step 5: Solve for x
    x = 32,573,342,740.38/192,017.80
  6. Step 6: Final answer
    x = 169,637.10

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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.