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Finding the Fourth Proportional to 162,779.55, 244,169.33 and 103,657.65

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Solution

The fourth proportional to 162,779.55, 244,169.33 and 103,657.65 is: 155,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,779.55 : 244,169.33 = 103,657.65 : x
  2. Step 2: Convert to fraction form
    162,779.55/244,169.33 = 103,657.65/x
  3. Step 3: Cross multiply
    162,779.55x = 244,169.33 × 103,657.65
  4. Step 4: Simplify right side
    162,779.55x = 25,310,018,949.87
  5. Step 5: Solve for x
    x = 25,310,018,949.87/162,779.55
  6. Step 6: Final answer
    x = 155,486.48

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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.