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Finding the Fourth Proportional to 144,638.20, 216,924.90 and 95,066.20

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Solution

The fourth proportional to 144,638.20, 216,924.90 and 95,066.20 is: 142,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,638.20 : 216,924.90 = 95,066.20 : x
  2. Step 2: Convert to fraction form
    144,638.20/216,924.90 = 95,066.20/x
  3. Step 3: Cross multiply
    144,638.20x = 216,924.90 × 95,066.20
  4. Step 4: Simplify right side
    144,638.20x = 20,622,225,928.38
  5. Step 5: Solve for x
    x = 20,622,225,928.38/144,638.20
  6. Step 6: Final answer
    x = 142,578.00

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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.