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Finding the Fourth Proportional to 192,052.60, 288,078.90 and 124,401.40

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Solution

The fourth proportional to 192,052.60, 288,078.90 and 124,401.40 is: 186,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,052.60 : 288,078.90 = 124,401.40 : x
  2. Step 2: Convert to fraction form
    192,052.60/288,078.90 = 124,401.40/x
  3. Step 3: Cross multiply
    192,052.60x = 288,078.90 × 124,401.40
  4. Step 4: Simplify right side
    192,052.60x = 35,837,418,470.46
  5. Step 5: Solve for x
    x = 35,837,418,470.46/192,052.60
  6. Step 6: Final answer
    x = 186,602.10

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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.