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Finding the Fourth Proportional to 135,679.46, 202,530.94 and 125,673.89

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Solution

The fourth proportional to 135,679.46, 202,530.94 and 125,673.89 is: 187,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,679.46 : 202,530.94 = 125,673.89 : x
  2. Step 2: Convert to fraction form
    135,679.46/202,530.94 = 125,673.89/x
  3. Step 3: Cross multiply
    135,679.46x = 202,530.94 × 125,673.89
  4. Step 4: Simplify right side
    135,679.46x = 25,452,851,075.16
  5. Step 5: Solve for x
    x = 25,452,851,075.16/135,679.46
  6. Step 6: Final answer
    x = 187,595.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.