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Finding the Fourth Proportional to 292,537.04, 438,805.48 and 70,921.04

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Solution

The fourth proportional to 292,537.04, 438,805.48 and 70,921.04 is: 106,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,537.04 : 438,805.48 = 70,921.04 : x
  2. Step 2: Convert to fraction form
    292,537.04/438,805.48 = 70,921.04/x
  3. Step 3: Cross multiply
    292,537.04x = 438,805.48 × 70,921.04
  4. Step 4: Simplify right side
    292,537.04x = 31,120,540,999.30
  5. Step 5: Solve for x
    x = 31,120,540,999.30/292,537.04
  6. Step 6: Final answer
    x = 106,381.54

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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.