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Finding the Fourth Proportional to 163,587.20, 245,380.80 and 144,924.80

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Solution

The fourth proportional to 163,587.20, 245,380.80 and 144,924.80 is: 217,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,587.20 : 245,380.80 = 144,924.80 : x
  2. Step 2: Convert to fraction form
    163,587.20/245,380.80 = 144,924.80/x
  3. Step 3: Cross multiply
    163,587.20x = 245,380.80 × 144,924.80
  4. Step 4: Simplify right side
    163,587.20x = 35,561,763,363.84
  5. Step 5: Solve for x
    x = 35,561,763,363.84/163,587.20
  6. Step 6: Final answer
    x = 217,387.20

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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.