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Finding the Fourth Proportional to 162,709.20, 244,209.60 and 140,547.60

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Solution

The fourth proportional to 162,709.20, 244,209.60 and 140,547.60 is: 210,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,709.20 : 244,209.60 = 140,547.60 : x
  2. Step 2: Convert to fraction form
    162,709.20/244,209.60 = 140,547.60/x
  3. Step 3: Cross multiply
    162,709.20x = 244,209.60 × 140,547.60
  4. Step 4: Simplify right side
    162,709.20x = 34,323,073,176.96
  5. Step 5: Solve for x
    x = 34,323,073,176.96/162,709.20
  6. Step 6: Final answer
    x = 210,947.34

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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.