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Finding the Fourth Proportional to 127,205.70, 175,537.02 and 70,613.43

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Solution

The fourth proportional to 127,205.70, 175,537.02 and 70,613.43 is: 97,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,205.70 : 175,537.02 = 70,613.43 : x
  2. Step 2: Convert to fraction form
    127,205.70/175,537.02 = 70,613.43/x
  3. Step 3: Cross multiply
    127,205.70x = 175,537.02 × 70,613.43
  4. Step 4: Simplify right side
    127,205.70x = 12,395,271,074.18
  5. Step 5: Solve for x
    x = 12,395,271,074.18/127,205.70
  6. Step 6: Final answer
    x = 97,442.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.