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Finding the Fourth Proportional to 292,350.31, 438,525.48 and 70,734.31

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Solution

The fourth proportional to 292,350.31, 438,525.48 and 70,734.31 is: 106,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,350.31 : 438,525.48 = 70,734.31 : x
  2. Step 2: Convert to fraction form
    292,350.31/438,525.48 = 70,734.31/x
  3. Step 3: Cross multiply
    292,350.31x = 438,525.48 × 70,734.31
  4. Step 4: Simplify right side
    292,350.31x = 31,018,797,245.22
  5. Step 5: Solve for x
    x = 31,018,797,245.22/292,350.31
  6. Step 6: Final answer
    x = 106,101.47

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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.