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Finding the Fourth Proportional to 252,707.76, 348,590.52 and 163,283.76

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Solution

The fourth proportional to 252,707.76, 348,590.52 and 163,283.76 is: 225,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,707.76 : 348,590.52 = 163,283.76 : x
  2. Step 2: Convert to fraction form
    252,707.76/348,590.52 = 163,283.76/x
  3. Step 3: Cross multiply
    252,707.76x = 348,590.52 × 163,283.76
  4. Step 4: Simplify right side
    252,707.76x = 56,919,170,805.96
  5. Step 5: Solve for x
    x = 56,919,170,805.96/252,707.76
  6. Step 6: Final answer
    x = 225,237.13

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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.