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Finding the Fourth Proportional to 152,717.98, 210,740.77 and 84,734.77

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Solution

The fourth proportional to 152,717.98, 210,740.77 and 84,734.77 is: 116,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,717.98 : 210,740.77 = 84,734.77 : x
  2. Step 2: Convert to fraction form
    152,717.98/210,740.77 = 84,734.77/x
  3. Step 3: Cross multiply
    152,717.98x = 210,740.77 × 84,734.77
  4. Step 4: Simplify right side
    152,717.98x = 17,857,070,675.57
  5. Step 5: Solve for x
    x = 17,857,070,675.57/152,717.98
  6. Step 6: Final answer
    x = 116,928.41

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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.