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Finding the Fourth Proportional to 201,695.70, 301,887.45 and 157,080.90

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Solution

The fourth proportional to 201,695.70, 301,887.45 and 157,080.90 is: 235,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,695.70 : 301,887.45 = 157,080.90 : x
  2. Step 2: Convert to fraction form
    201,695.70/301,887.45 = 157,080.90/x
  3. Step 3: Cross multiply
    201,695.70x = 301,887.45 × 157,080.90
  4. Step 4: Simplify right side
    201,695.70x = 47,420,752,344.71
  5. Step 5: Solve for x
    x = 47,420,752,344.71/201,695.70
  6. Step 6: Final answer
    x = 235,110.38

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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.