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Finding the Fourth Proportional to 266,570.80, 400,030.25 and 98,092.82

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Solution

The fourth proportional to 266,570.80, 400,030.25 and 98,092.82 is: 147,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,570.80 : 400,030.25 = 98,092.82 : x
  2. Step 2: Convert to fraction form
    266,570.80/400,030.25 = 98,092.82/x
  3. Step 3: Cross multiply
    266,570.80x = 400,030.25 × 98,092.82
  4. Step 4: Simplify right side
    266,570.80x = 39,240,095,817.42
  5. Step 5: Solve for x
    x = 39,240,095,817.42/266,570.80
  6. Step 6: Final answer
    x = 147,203.28

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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.