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Finding the Fourth Proportional to 106,544.67, 159,775.50 and 39,948.48

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Solution

The fourth proportional to 106,544.67, 159,775.50 and 39,948.48 is: 59,907.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,544.67 : 159,775.50 = 39,948.48 : x
  2. Step 2: Convert to fraction form
    106,544.67/159,775.50 = 39,948.48/x
  3. Step 3: Cross multiply
    106,544.67x = 159,775.50 × 39,948.48
  4. Step 4: Simplify right side
    106,544.67x = 6,382,788,366.24
  5. Step 5: Solve for x
    x = 6,382,788,366.24/106,544.67
  6. Step 6: Final answer
    x = 59,907.16

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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.