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Finding the Fourth Proportional to 166,752.60, 249,907.76 and 87,922.60

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Solution

The fourth proportional to 166,752.60, 249,907.76 and 87,922.60 is: 131,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,752.60 : 249,907.76 = 87,922.60 : x
  2. Step 2: Convert to fraction form
    166,752.60/249,907.76 = 87,922.60/x
  3. Step 3: Cross multiply
    166,752.60x = 249,907.76 × 87,922.60
  4. Step 4: Simplify right side
    166,752.60x = 21,972,540,019.38
  5. Step 5: Solve for x
    x = 21,972,540,019.38/166,752.60
  6. Step 6: Final answer
    x = 131,767.30

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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.