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Finding the Fourth Proportional to 160,412.94, 240,619.11 and 65,687.28

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Solution

The fourth proportional to 160,412.94, 240,619.11 and 65,687.28 is: 98,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,412.94 : 240,619.11 = 65,687.28 : x
  2. Step 2: Convert to fraction form
    160,412.94/240,619.11 = 65,687.28/x
  3. Step 3: Cross multiply
    160,412.94x = 240,619.11 × 65,687.28
  4. Step 4: Simplify right side
    160,412.94x = 15,805,614,851.92
  5. Step 5: Solve for x
    x = 15,805,614,851.92/160,412.94
  6. Step 6: Final answer
    x = 98,530.80

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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.