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Finding the Fourth Proportional to 177,337.20, 266,078.70 and 65,071.20

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Solution

The fourth proportional to 177,337.20, 266,078.70 and 65,071.20 is: 97,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,337.20 : 266,078.70 = 65,071.20 : x
  2. Step 2: Convert to fraction form
    177,337.20/266,078.70 = 65,071.20/x
  3. Step 3: Cross multiply
    177,337.20x = 266,078.70 × 65,071.20
  4. Step 4: Simplify right side
    177,337.20x = 17,314,060,303.44
  5. Step 5: Solve for x
    x = 17,314,060,303.44/177,337.20
  6. Step 6: Final answer
    x = 97,633.55

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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.