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Finding the Fourth Proportional to 152,881.20, 228,868.20 and 113,612.40

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Solution

The fourth proportional to 152,881.20, 228,868.20 and 113,612.40 is: 170,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,881.20 : 228,868.20 = 113,612.40 : x
  2. Step 2: Convert to fraction form
    152,881.20/228,868.20 = 113,612.40/x
  3. Step 3: Cross multiply
    152,881.20x = 228,868.20 × 113,612.40
  4. Step 4: Simplify right side
    152,881.20x = 26,002,265,485.68
  5. Step 5: Solve for x
    x = 26,002,265,485.68/152,881.20
  6. Step 6: Final answer
    x = 170,081.51

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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.