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Finding the Fourth Proportional to 176,806.60, 265,226.10 and 71,603.80

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Solution

The fourth proportional to 176,806.60, 265,226.10 and 71,603.80 is: 107,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,806.60 : 265,226.10 = 71,603.80 : x
  2. Step 2: Convert to fraction form
    176,806.60/265,226.10 = 71,603.80/x
  3. Step 3: Cross multiply
    176,806.60x = 265,226.10 × 71,603.80
  4. Step 4: Simplify right side
    176,806.60x = 18,991,196,619.18
  5. Step 5: Solve for x
    x = 18,991,196,619.18/176,806.60
  6. Step 6: Final answer
    x = 107,412.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.