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Finding the Fourth Proportional to 223,746.27, 308,802.40 and 125,640.52

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Solution

The fourth proportional to 223,746.27, 308,802.40 and 125,640.52 is: 173,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,746.27 : 308,802.40 = 125,640.52 : x
  2. Step 2: Convert to fraction form
    223,746.27/308,802.40 = 125,640.52/x
  3. Step 3: Cross multiply
    223,746.27x = 308,802.40 × 125,640.52
  4. Step 4: Simplify right side
    223,746.27x = 38,798,093,380.50
  5. Step 5: Solve for x
    x = 38,798,093,380.50/223,746.27
  6. Step 6: Final answer
    x = 173,402.19

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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.