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Finding the Fourth Proportional to 162,302.30, 243,016.05 and 127,310.30

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Solution

The fourth proportional to 162,302.30, 243,016.05 and 127,310.30 is: 190,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,302.30 : 243,016.05 = 127,310.30 : x
  2. Step 2: Convert to fraction form
    162,302.30/243,016.05 = 127,310.30/x
  3. Step 3: Cross multiply
    162,302.30x = 243,016.05 × 127,310.30
  4. Step 4: Simplify right side
    162,302.30x = 30,938,446,230.32
  5. Step 5: Solve for x
    x = 30,938,446,230.32/162,302.30
  6. Step 6: Final answer
    x = 190,622.35

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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.