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Finding the Fourth Proportional to 152,518, 210,474.84 and 92,902

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Solution

The fourth proportional to 152,518, 210,474.84 and 92,902 is: 128,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,518 : 210,474.84 = 92,902 : x
  2. Step 2: Convert to fraction form
    152,518/210,474.84 = 92,902/x
  3. Step 3: Cross multiply
    152,518x = 210,474.84 × 92,902
  4. Step 4: Simplify right side
    152,518x = 19,553,533,585.68
  5. Step 5: Solve for x
    x = 19,553,533,585.68/152,518
  6. Step 6: Final answer
    x = 128,204.76

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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.