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Finding the Fourth Proportional to 233,991.64, 350,987.46 and 76,220.08

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Solution

The fourth proportional to 233,991.64, 350,987.46 and 76,220.08 is: 114,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,991.64 : 350,987.46 = 76,220.08 : x
  2. Step 2: Convert to fraction form
    233,991.64/350,987.46 = 76,220.08/x
  3. Step 3: Cross multiply
    233,991.64x = 350,987.46 × 76,220.08
  4. Step 4: Simplify right side
    233,991.64x = 26,752,292,280.20
  5. Step 5: Solve for x
    x = 26,752,292,280.20/233,991.64
  6. Step 6: Final answer
    x = 114,330.12

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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.