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Finding the Fourth Proportional to 218,473.59, 327,728.07 and 60,702.06

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Solution

The fourth proportional to 218,473.59, 327,728.07 and 60,702.06 is: 91,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,473.59 : 327,728.07 = 60,702.06 : x
  2. Step 2: Convert to fraction form
    218,473.59/327,728.07 = 60,702.06/x
  3. Step 3: Cross multiply
    218,473.59x = 327,728.07 × 60,702.06
  4. Step 4: Simplify right side
    218,473.59x = 19,893,768,968.82
  5. Step 5: Solve for x
    x = 19,893,768,968.82/218,473.59
  6. Step 6: Final answer
    x = 91,058.00

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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.