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Finding the Fourth Proportional to 160,497.70, 240,637.20 and 76,298.20

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Solution

The fourth proportional to 160,497.70, 240,637.20 and 76,298.20 is: 114,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,497.70 : 240,637.20 = 76,298.20 : x
  2. Step 2: Convert to fraction form
    160,497.70/240,637.20 = 76,298.20/x
  3. Step 3: Cross multiply
    160,497.70x = 240,637.20 × 76,298.20
  4. Step 4: Simplify right side
    160,497.70x = 18,360,185,213.04
  5. Step 5: Solve for x
    x = 18,360,185,213.04/160,497.70
  6. Step 6: Final answer
    x = 114,395.32

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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.