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Finding the Fourth Proportional to 226,902, 340,312.88 and 84,715.36

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Solution

The fourth proportional to 226,902, 340,312.88 and 84,715.36 is: 127,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,902 : 340,312.88 = 84,715.36 : x
  2. Step 2: Convert to fraction form
    226,902/340,312.88 = 84,715.36/x
  3. Step 3: Cross multiply
    226,902x = 340,312.88 × 84,715.36
  4. Step 4: Simplify right side
    226,902x = 28,829,728,141.84
  5. Step 5: Solve for x
    x = 28,829,728,141.84/226,902
  6. Step 6: Final answer
    x = 127,058.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.