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Finding the Fourth Proportional to 95,289.50, 142,934.25 and 39,885.50

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Solution

The fourth proportional to 95,289.50, 142,934.25 and 39,885.50 is: 59,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,289.50 : 142,934.25 = 39,885.50 : x
  2. Step 2: Convert to fraction form
    95,289.50/142,934.25 = 39,885.50/x
  3. Step 3: Cross multiply
    95,289.50x = 142,934.25 × 39,885.50
  4. Step 4: Simplify right side
    95,289.50x = 5,701,004,028.38
  5. Step 5: Solve for x
    x = 5,701,004,028.38/95,289.50
  6. Step 6: Final answer
    x = 59,828.25

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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.