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Finding the Fourth Proportional to 177,709.50, 266,606.37 and 53,053.74

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Solution

The fourth proportional to 177,709.50, 266,606.37 and 53,053.74 is: 79,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,709.50 : 266,606.37 = 53,053.74 : x
  2. Step 2: Convert to fraction form
    177,709.50/266,606.37 = 53,053.74/x
  3. Step 3: Cross multiply
    177,709.50x = 266,606.37 × 53,053.74
  4. Step 4: Simplify right side
    177,709.50x = 14,144,465,036.32
  5. Step 5: Solve for x
    x = 14,144,465,036.32/177,709.50
  6. Step 6: Final answer
    x = 79,593.18

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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.