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Finding the Fourth Proportional to 162,554.20, 243,734.10 and 83,822.20

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Solution

The fourth proportional to 162,554.20, 243,734.10 and 83,822.20 is: 125,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,554.20 : 243,734.10 = 83,822.20 : x
  2. Step 2: Convert to fraction form
    162,554.20/243,734.10 = 83,822.20/x
  3. Step 3: Cross multiply
    162,554.20x = 243,734.10 × 83,822.20
  4. Step 4: Simplify right side
    162,554.20x = 20,430,328,477.02
  5. Step 5: Solve for x
    x = 20,430,328,477.02/162,554.20
  6. Step 6: Final answer
    x = 125,683.18

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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.