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Finding the Fourth Proportional to 144,652.80, 216,979.20 and 94,886.40

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Solution

The fourth proportional to 144,652.80, 216,979.20 and 94,886.40 is: 142,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,652.80 : 216,979.20 = 94,886.40 : x
  2. Step 2: Convert to fraction form
    144,652.80/216,979.20 = 94,886.40/x
  3. Step 3: Cross multiply
    144,652.80x = 216,979.20 × 94,886.40
  4. Step 4: Simplify right side
    144,652.80x = 20,588,375,162.88
  5. Step 5: Solve for x
    x = 20,588,375,162.88/144,652.80
  6. Step 6: Final answer
    x = 142,329.60

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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.