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Finding the Fourth Proportional to 292,549.98, 438,780.15 and 92,844.48

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Solution

The fourth proportional to 292,549.98, 438,780.15 and 92,844.48 is: 139,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,549.98 : 438,780.15 = 92,844.48 : x
  2. Step 2: Convert to fraction form
    292,549.98/438,780.15 = 92,844.48/x
  3. Step 3: Cross multiply
    292,549.98x = 438,780.15 × 92,844.48
  4. Step 4: Simplify right side
    292,549.98x = 40,738,314,861.07
  5. Step 5: Solve for x
    x = 40,738,314,861.07/292,549.98
  6. Step 6: Final answer
    x = 139,252.50

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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.