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Finding the Fourth Proportional to 248,897.16, 373,345 and 61,908.66

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Solution

The fourth proportional to 248,897.16, 373,345 and 61,908.66 is: 92,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,897.16 : 373,345 = 61,908.66 : x
  2. Step 2: Convert to fraction form
    248,897.16/373,345 = 61,908.66/x
  3. Step 3: Cross multiply
    248,897.16x = 373,345 × 61,908.66
  4. Step 4: Simplify right side
    248,897.16x = 23,113,288,667.70
  5. Step 5: Solve for x
    x = 23,113,288,667.70/248,897.16
  6. Step 6: Final answer
    x = 92,862.81

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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.