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Finding the Fourth Proportional to 162,807.60, 243,887.40 and 143,324.40

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Solution

The fourth proportional to 162,807.60, 243,887.40 and 143,324.40 is: 214,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,807.60 : 243,887.40 = 143,324.40 : x
  2. Step 2: Convert to fraction form
    162,807.60/243,887.40 = 143,324.40/x
  3. Step 3: Cross multiply
    162,807.60x = 243,887.40 × 143,324.40
  4. Step 4: Simplify right side
    162,807.60x = 34,955,015,272.56
  5. Step 5: Solve for x
    x = 34,955,015,272.56/162,807.60
  6. Step 6: Final answer
    x = 214,701.37

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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.