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Finding the Fourth Proportional to 152,674.60, 210,692.21 and 84,696.03

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Solution

The fourth proportional to 152,674.60, 210,692.21 and 84,696.03 is: 116,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,674.60 : 210,692.21 = 84,696.03 : x
  2. Step 2: Convert to fraction form
    152,674.60/210,692.21 = 84,696.03/x
  3. Step 3: Cross multiply
    152,674.60x = 210,692.21 × 84,696.03
  4. Step 4: Simplify right side
    152,674.60x = 17,844,793,738.93
  5. Step 5: Solve for x
    x = 17,844,793,738.93/152,674.60
  6. Step 6: Final answer
    x = 116,881.22

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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.