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Finding the Fourth Proportional to 222,492.48, 307,061.64 and 127,013.52

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Solution

The fourth proportional to 222,492.48, 307,061.64 and 127,013.52 is: 175,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,492.48 : 307,061.64 = 127,013.52 : x
  2. Step 2: Convert to fraction form
    222,492.48/307,061.64 = 127,013.52/x
  3. Step 3: Cross multiply
    222,492.48x = 307,061.64 × 127,013.52
  4. Step 4: Simplify right side
    222,492.48x = 39,000,979,753.37
  5. Step 5: Solve for x
    x = 39,000,979,753.37/222,492.48
  6. Step 6: Final answer
    x = 175,291.23

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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.