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Finding the Fourth Proportional to 243,083.88, 364,625.82 and 65,590.89

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Solution

The fourth proportional to 243,083.88, 364,625.82 and 65,590.89 is: 98,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,083.88 : 364,625.82 = 65,590.89 : x
  2. Step 2: Convert to fraction form
    243,083.88/364,625.82 = 65,590.89/x
  3. Step 3: Cross multiply
    243,083.88x = 364,625.82 × 65,590.89
  4. Step 4: Simplify right side
    243,083.88x = 23,916,132,050.78
  5. Step 5: Solve for x
    x = 23,916,132,050.78/243,083.88
  6. Step 6: Final answer
    x = 98,386.34

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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.