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Finding the Fourth Proportional to 127,251, 175,613.67 and 70,666.02

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Solution

The fourth proportional to 127,251, 175,613.67 and 70,666.02 is: 97,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,251 : 175,613.67 = 70,666.02 : x
  2. Step 2: Convert to fraction form
    127,251/175,613.67 = 70,666.02/x
  3. Step 3: Cross multiply
    127,251x = 175,613.67 × 70,666.02
  4. Step 4: Simplify right side
    127,251x = 12,409,919,116.49
  5. Step 5: Solve for x
    x = 12,409,919,116.49/127,251
  6. Step 6: Final answer
    x = 97,523.16

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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.