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Finding the Fourth Proportional to 162,466.60, 243,043.80 and 140,523.70

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Solution

The fourth proportional to 162,466.60, 243,043.80 and 140,523.70 is: 210,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,466.60 : 243,043.80 = 140,523.70 : x
  2. Step 2: Convert to fraction form
    162,466.60/243,043.80 = 140,523.70/x
  3. Step 3: Cross multiply
    162,466.60x = 243,043.80 × 140,523.70
  4. Step 4: Simplify right side
    162,466.60x = 34,153,414,038.06
  5. Step 5: Solve for x
    x = 34,153,414,038.06/162,466.60
  6. Step 6: Final answer
    x = 210,218.06

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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.