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Finding the Fourth Proportional to 177,611, 266,547.99 and 84,117.02

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Solution

The fourth proportional to 177,611, 266,547.99 and 84,117.02 is: 126,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,611 : 266,547.99 = 84,117.02 : x
  2. Step 2: Convert to fraction form
    177,611/266,547.99 = 84,117.02/x
  3. Step 3: Cross multiply
    177,611x = 266,547.99 × 84,117.02
  4. Step 4: Simplify right side
    177,611x = 22,421,222,605.79
  5. Step 5: Solve for x
    x = 22,421,222,605.79/177,611
  6. Step 6: Final answer
    x = 126,237.80

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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.