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Finding the Fourth Proportional to 156,657.90, 234,986.85 and 150,534.30

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Solution

The fourth proportional to 156,657.90, 234,986.85 and 150,534.30 is: 225,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,657.90 : 234,986.85 = 150,534.30 : x
  2. Step 2: Convert to fraction form
    156,657.90/234,986.85 = 150,534.30/x
  3. Step 3: Cross multiply
    156,657.90x = 234,986.85 × 150,534.30
  4. Step 4: Simplify right side
    156,657.90x = 35,373,580,973.96
  5. Step 5: Solve for x
    x = 35,373,580,973.96/156,657.90
  6. Step 6: Final answer
    x = 225,801.45

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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.