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Finding the Fourth Proportional to 127,044.66, 175,317.21 and 70,461.30

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Solution

The fourth proportional to 127,044.66, 175,317.21 and 70,461.30 is: 97,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,044.66 : 175,317.21 = 70,461.30 : x
  2. Step 2: Convert to fraction form
    127,044.66/175,317.21 = 70,461.30/x
  3. Step 3: Cross multiply
    127,044.66x = 175,317.21 × 70,461.30
  4. Step 4: Simplify right side
    127,044.66x = 12,353,078,528.97
  5. Step 5: Solve for x
    x = 12,353,078,528.97/127,044.66
  6. Step 6: Final answer
    x = 97,234.14

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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.