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Finding the Fourth Proportional to 201,677.70, 301,860.45 and 157,062.90

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Solution

The fourth proportional to 201,677.70, 301,860.45 and 157,062.90 is: 235,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,677.70 : 301,860.45 = 157,062.90 : x
  2. Step 2: Convert to fraction form
    201,677.70/301,860.45 = 157,062.90/x
  3. Step 3: Cross multiply
    201,677.70x = 301,860.45 × 157,062.90
  4. Step 4: Simplify right side
    201,677.70x = 47,411,077,672.31
  5. Step 5: Solve for x
    x = 47,411,077,672.31/201,677.70
  6. Step 6: Final answer
    x = 235,083.39

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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.