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Finding the Fourth Proportional to 97,344.78, 146,017.17 and 38,208.30

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Solution

The fourth proportional to 97,344.78, 146,017.17 and 38,208.30 is: 57,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,344.78 : 146,017.17 = 38,208.30 : x
  2. Step 2: Convert to fraction form
    97,344.78/146,017.17 = 38,208.30/x
  3. Step 3: Cross multiply
    97,344.78x = 146,017.17 × 38,208.30
  4. Step 4: Simplify right side
    97,344.78x = 5,579,067,836.51
  5. Step 5: Solve for x
    x = 5,579,067,836.51/97,344.78
  6. Step 6: Final answer
    x = 57,312.45

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1.5x scale

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.