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Finding the Fourth Proportional to 144,060.60, 215,918.10 and 73,903.80

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Solution

The fourth proportional to 144,060.60, 215,918.10 and 73,903.80 is: 110,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,060.60 : 215,918.10 = 73,903.80 : x
  2. Step 2: Convert to fraction form
    144,060.60/215,918.10 = 73,903.80/x
  3. Step 3: Cross multiply
    144,060.60x = 215,918.10 × 73,903.80
  4. Step 4: Simplify right side
    144,060.60x = 15,957,168,078.78
  5. Step 5: Solve for x
    x = 15,957,168,078.78/144,060.60
  6. Step 6: Final answer
    x = 110,767.05

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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.