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Finding the Fourth Proportional to 224,967.01, 310,462.76 and 122,999.26

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Solution

The fourth proportional to 224,967.01, 310,462.76 and 122,999.26 is: 169,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,967.01 : 310,462.76 = 122,999.26 : x
  2. Step 2: Convert to fraction form
    224,967.01/310,462.76 = 122,999.26/x
  3. Step 3: Cross multiply
    224,967.01x = 310,462.76 × 122,999.26
  4. Step 4: Simplify right side
    224,967.01x = 38,186,687,570.25
  5. Step 5: Solve for x
    x = 38,186,687,570.25/224,967.01
  6. Step 6: Final answer
    x = 169,743.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.