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Finding the Fourth Proportional to 240,515.56, 331,897.65 and 133,080.20

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Solution

The fourth proportional to 240,515.56, 331,897.65 and 133,080.20 is: 183,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,515.56 : 331,897.65 = 133,080.20 : x
  2. Step 2: Convert to fraction form
    240,515.56/331,897.65 = 133,080.20/x
  3. Step 3: Cross multiply
    240,515.56x = 331,897.65 × 133,080.20
  4. Step 4: Simplify right side
    240,515.56x = 44,169,005,476.18
  5. Step 5: Solve for x
    x = 44,169,005,476.18/240,515.56
  6. Step 6: Final answer
    x = 183,643.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.