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Finding the Fourth Proportional to 292,544.76, 438,817.16 and 102,960.48

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Solution

The fourth proportional to 292,544.76, 438,817.16 and 102,960.48 is: 154,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,544.76 : 438,817.16 = 102,960.48 : x
  2. Step 2: Convert to fraction form
    292,544.76/438,817.16 = 102,960.48/x
  3. Step 3: Cross multiply
    292,544.76x = 438,817.16 × 102,960.48
  4. Step 4: Simplify right side
    292,544.76x = 45,180,825,425.84
  5. Step 5: Solve for x
    x = 45,180,825,425.84/292,544.76
  6. Step 6: Final answer
    x = 154,440.73

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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.