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Finding the Fourth Proportional to 174,013.70, 261,020.55 and 165,028.10

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Solution

The fourth proportional to 174,013.70, 261,020.55 and 165,028.10 is: 247,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,013.70 : 261,020.55 = 165,028.10 : x
  2. Step 2: Convert to fraction form
    174,013.70/261,020.55 = 165,028.10/x
  3. Step 3: Cross multiply
    174,013.70x = 261,020.55 × 165,028.10
  4. Step 4: Simplify right side
    174,013.70x = 43,075,725,427.46
  5. Step 5: Solve for x
    x = 43,075,725,427.46/174,013.70
  6. Step 6: Final answer
    x = 247,542.15

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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.