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Finding the Fourth Proportional to 210,076, 315,165.84 and 62,332

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Solution

The fourth proportional to 210,076, 315,165.84 and 62,332 is: 93,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,076 : 315,165.84 = 62,332 : x
  2. Step 2: Convert to fraction form
    210,076/315,165.84 = 62,332/x
  3. Step 3: Cross multiply
    210,076x = 315,165.84 × 62,332
  4. Step 4: Simplify right side
    210,076x = 19,644,917,138.88
  5. Step 5: Solve for x
    x = 19,644,917,138.88/210,076
  6. Step 6: Final answer
    x = 93,513.38

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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.