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Finding the Fourth Proportional to 226,956.90, 340,435.35 and 156,972.90

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Solution

The fourth proportional to 226,956.90, 340,435.35 and 156,972.90 is: 235,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,956.90 : 340,435.35 = 156,972.90 : x
  2. Step 2: Convert to fraction form
    226,956.90/340,435.35 = 156,972.90/x
  3. Step 3: Cross multiply
    226,956.90x = 340,435.35 × 156,972.90
  4. Step 4: Simplify right side
    226,956.90x = 53,439,124,152.02
  5. Step 5: Solve for x
    x = 53,439,124,152.02/226,956.90
  6. Step 6: Final answer
    x = 235,459.35

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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.