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Finding the Fourth Proportional to 240,114.30, 359,921.16 and 90,251.34

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Solution

The fourth proportional to 240,114.30, 359,921.16 and 90,251.34 is: 135,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,114.30 : 359,921.16 = 90,251.34 : x
  2. Step 2: Convert to fraction form
    240,114.30/359,921.16 = 90,251.34/x
  3. Step 3: Cross multiply
    240,114.30x = 359,921.16 × 90,251.34
  4. Step 4: Simplify right side
    240,114.30x = 32,483,366,984.35
  5. Step 5: Solve for x
    x = 32,483,366,984.35/240,114.30
  6. Step 6: Final answer
    x = 135,282.93

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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.