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Finding the Fourth Proportional to 177,637.40, 266,601.90 and 171,805.40

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Solution

The fourth proportional to 177,637.40, 266,601.90 and 171,805.40 is: 257,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,637.40 : 266,601.90 = 171,805.40 : x
  2. Step 2: Convert to fraction form
    177,637.40/266,601.90 = 171,805.40/x
  3. Step 3: Cross multiply
    177,637.40x = 266,601.90 × 171,805.40
  4. Step 4: Simplify right side
    177,637.40x = 45,803,646,070.26
  5. Step 5: Solve for x
    x = 45,803,646,070.26/177,637.40
  6. Step 6: Final answer
    x = 257,849.11

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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.