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Finding the Fourth Proportional to 162,803.60, 244,326.90 and 83,877.20

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Solution

The fourth proportional to 162,803.60, 244,326.90 and 83,877.20 is: 125,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,803.60 : 244,326.90 = 83,877.20 : x
  2. Step 2: Convert to fraction form
    162,803.60/244,326.90 = 83,877.20/x
  3. Step 3: Cross multiply
    162,803.60x = 244,326.90 × 83,877.20
  4. Step 4: Simplify right side
    162,803.60x = 20,493,456,256.68
  5. Step 5: Solve for x
    x = 20,493,456,256.68/162,803.60
  6. Step 6: Final answer
    x = 125,878.40

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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.