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Finding the Fourth Proportional to 152,064.57, 209,847.87 and 84,084.51

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Solution

The fourth proportional to 152,064.57, 209,847.87 and 84,084.51 is: 116,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,064.57 : 209,847.87 = 84,084.51 : x
  2. Step 2: Convert to fraction form
    152,064.57/209,847.87 = 84,084.51/x
  3. Step 3: Cross multiply
    152,064.57x = 209,847.87 × 84,084.51
  4. Step 4: Simplify right side
    152,064.57x = 17,644,955,323.49
  5. Step 5: Solve for x
    x = 17,644,955,323.49/152,064.57
  6. Step 6: Final answer
    x = 116,035.94

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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.