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Finding the Fourth Proportional to 243,083.58, 364,625.36 and 65,590.59

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Solution

The fourth proportional to 243,083.58, 364,625.36 and 65,590.59 is: 98,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,083.58 : 364,625.36 = 65,590.59 : x
  2. Step 2: Convert to fraction form
    243,083.58/364,625.36 = 65,590.59/x
  3. Step 3: Cross multiply
    243,083.58x = 364,625.36 × 65,590.59
  4. Step 4: Simplify right side
    243,083.58x = 23,915,992,491.36
  5. Step 5: Solve for x
    x = 23,915,992,491.36/243,083.58
  6. Step 6: Final answer
    x = 98,385.88

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1.5x scale

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.