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Finding the Fourth Proportional to 155,995.20, 233,647.20 and 135,259.20

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Solution

The fourth proportional to 155,995.20, 233,647.20 and 135,259.20 is: 202,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,995.20 : 233,647.20 = 135,259.20 : x
  2. Step 2: Convert to fraction form
    155,995.20/233,647.20 = 135,259.20/x
  3. Step 3: Cross multiply
    155,995.20x = 233,647.20 × 135,259.20
  4. Step 4: Simplify right side
    155,995.20x = 31,602,933,354.24
  5. Step 5: Solve for x
    x = 31,602,933,354.24/155,995.20
  6. Step 6: Final answer
    x = 202,589.14

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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.