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Finding the Fourth Proportional to 292,552.52, 438,828.80 and 70,936.52

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Solution

The fourth proportional to 292,552.52, 438,828.80 and 70,936.52 is: 106,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,552.52 : 438,828.80 = 70,936.52 : x
  2. Step 2: Convert to fraction form
    292,552.52/438,828.80 = 70,936.52/x
  3. Step 3: Cross multiply
    292,552.52x = 438,828.80 × 70,936.52
  4. Step 4: Simplify right side
    292,552.52x = 31,128,987,947.78
  5. Step 5: Solve for x
    x = 31,128,987,947.78/292,552.52
  6. Step 6: Final answer
    x = 106,404.78

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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.