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Finding the Fourth Proportional to 97,348.65, 134,401.95 and 74,644.02

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Solution

The fourth proportional to 97,348.65, 134,401.95 and 74,644.02 is: 103,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,348.65 : 134,401.95 = 74,644.02 : x
  2. Step 2: Convert to fraction form
    97,348.65/134,401.95 = 74,644.02/x
  3. Step 3: Cross multiply
    97,348.65x = 134,401.95 × 74,644.02
  4. Step 4: Simplify right side
    97,348.65x = 10,032,301,843.84
  5. Step 5: Solve for x
    x = 10,032,301,843.84/97,348.65
  6. Step 6: Final answer
    x = 103,055.38

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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.