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Finding the Fourth Proportional to 177,370.40, 266,055.60 and 173,871.20

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Solution

The fourth proportional to 177,370.40, 266,055.60 and 173,871.20 is: 260,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,370.40 : 266,055.60 = 173,871.20 : x
  2. Step 2: Convert to fraction form
    177,370.40/266,055.60 = 173,871.20/x
  3. Step 3: Cross multiply
    177,370.40x = 266,055.60 × 173,871.20
  4. Step 4: Simplify right side
    177,370.40x = 46,259,406,438.72
  5. Step 5: Solve for x
    x = 46,259,406,438.72/177,370.40
  6. Step 6: Final answer
    x = 260,806.80

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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.