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Finding the Fourth Proportional to 226,272, 312,265.08 and 125,670

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Solution

The fourth proportional to 226,272, 312,265.08 and 125,670 is: 173,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,272 : 312,265.08 = 125,670 : x
  2. Step 2: Convert to fraction form
    226,272/312,265.08 = 125,670/x
  3. Step 3: Cross multiply
    226,272x = 312,265.08 × 125,670
  4. Step 4: Simplify right side
    226,272x = 39,242,352,603.60
  5. Step 5: Solve for x
    x = 39,242,352,603.60/226,272
  6. Step 6: Final answer
    x = 173,430.00

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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.