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Finding the Fourth Proportional to 125,802.82, 188,566.96 and 61,805.01

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Solution

The fourth proportional to 125,802.82, 188,566.96 and 61,805.01 is: 92,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,802.82 : 188,566.96 = 61,805.01 : x
  2. Step 2: Convert to fraction form
    125,802.82/188,566.96 = 61,805.01/x
  3. Step 3: Cross multiply
    125,802.82x = 188,566.96 × 61,805.01
  4. Step 4: Simplify right side
    125,802.82x = 11,654,382,848.47
  5. Step 5: Solve for x
    x = 11,654,382,848.47/125,802.82
  6. Step 6: Final answer
    x = 92,640.08

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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.