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Finding the Fourth Proportional to 162,817.90, 244,284.45 and 157,057.90

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Solution

The fourth proportional to 162,817.90, 244,284.45 and 157,057.90 is: 235,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,817.90 : 244,284.45 = 157,057.90 : x
  2. Step 2: Convert to fraction form
    162,817.90/244,284.45 = 157,057.90/x
  3. Step 3: Cross multiply
    162,817.90x = 244,284.45 × 157,057.90
  4. Step 4: Simplify right side
    162,817.90x = 38,366,802,719.66
  5. Step 5: Solve for x
    x = 38,366,802,719.66/162,817.90
  6. Step 6: Final answer
    x = 235,642.41

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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.