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Finding the Fourth Proportional to 162,120.65, 223,730.26 and 101,693.84

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Solution

The fourth proportional to 162,120.65, 223,730.26 and 101,693.84 is: 140,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,120.65 : 223,730.26 = 101,693.84 : x
  2. Step 2: Convert to fraction form
    162,120.65/223,730.26 = 101,693.84/x
  3. Step 3: Cross multiply
    162,120.65x = 223,730.26 × 101,693.84
  4. Step 4: Simplify right side
    162,120.65x = 22,751,987,890.71
  5. Step 5: Solve for x
    x = 22,751,987,890.71/162,120.65
  6. Step 6: Final answer
    x = 140,339.86

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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.