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Finding the Fourth Proportional to 205,213.93, 307,808.59 and 63,060.55

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Solution

The fourth proportional to 205,213.93, 307,808.59 and 63,060.55 is: 94,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,213.93 : 307,808.59 = 63,060.55 : x
  2. Step 2: Convert to fraction form
    205,213.93/307,808.59 = 63,060.55/x
  3. Step 3: Cross multiply
    205,213.93x = 307,808.59 × 63,060.55
  4. Step 4: Simplify right side
    205,213.93x = 19,410,578,980.12
  5. Step 5: Solve for x
    x = 19,410,578,980.12/205,213.93
  6. Step 6: Final answer
    x = 94,587.04

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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.