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Finding the Fourth Proportional to 243,181.97, 335,596.77 and 152,541.75

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Solution

The fourth proportional to 243,181.97, 335,596.77 and 152,541.75 is: 210,511.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,181.97 : 335,596.77 = 152,541.75 : x
  2. Step 2: Convert to fraction form
    243,181.97/335,596.77 = 152,541.75/x
  3. Step 3: Cross multiply
    243,181.97x = 335,596.77 × 152,541.75
  4. Step 4: Simplify right side
    243,181.97x = 51,192,518,590.15
  5. Step 5: Solve for x
    x = 51,192,518,590.15/243,181.97
  6. Step 6: Final answer
    x = 210,511.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.