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Finding the Fourth Proportional to 152,524, 210,483.12 and 92,908

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Solution

The fourth proportional to 152,524, 210,483.12 and 92,908 is: 128,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,524 : 210,483.12 = 92,908 : x
  2. Step 2: Convert to fraction form
    152,524/210,483.12 = 92,908/x
  3. Step 3: Cross multiply
    152,524x = 210,483.12 × 92,908
  4. Step 4: Simplify right side
    152,524x = 19,555,565,712.96
  5. Step 5: Solve for x
    x = 19,555,565,712.96/152,524
  6. Step 6: Final answer
    x = 128,213.04

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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.