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Finding the Fourth Proportional to 501,503.16, 752,252.13 and 122,425.90

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Solution

The fourth proportional to 501,503.16, 752,252.13 and 122,425.90 is: 183,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,503.16 : 752,252.13 = 122,425.90 : x
  2. Step 2: Convert to fraction form
    501,503.16/752,252.13 = 122,425.90/x
  3. Step 3: Cross multiply
    501,503.16x = 752,252.13 × 122,425.90
  4. Step 4: Simplify right side
    501,503.16x = 92,095,142,161.54
  5. Step 5: Solve for x
    x = 92,095,142,161.54/501,503.16
  6. Step 6: Final answer
    x = 183,638.21

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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.