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Finding the Fourth Proportional to 103,174.93, 154,806.14 and 56,373.13

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Solution

The fourth proportional to 103,174.93, 154,806.14 and 56,373.13 is: 84,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,174.93 : 154,806.14 = 56,373.13 : x
  2. Step 2: Convert to fraction form
    103,174.93/154,806.14 = 56,373.13/x
  3. Step 3: Cross multiply
    103,174.93x = 154,806.14 × 56,373.13
  4. Step 4: Simplify right side
    103,174.93x = 8,726,906,655.02
  5. Step 5: Solve for x
    x = 8,726,906,655.02/103,174.93
  6. Step 6: Final answer
    x = 84,583.60

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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.