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Finding the Fourth Proportional to 66,445.62, 98,927.25 and 65,514.93

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Solution

The fourth proportional to 66,445.62, 98,927.25 and 65,514.93 is: 97,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445.62 : 98,927.25 = 65,514.93 : x
  2. Step 2: Convert to fraction form
    66,445.62/98,927.25 = 65,514.93/x
  3. Step 3: Cross multiply
    66,445.62x = 98,927.25 × 65,514.93
  4. Step 4: Simplify right side
    66,445.62x = 6,481,211,531.27
  5. Step 5: Solve for x
    x = 6,481,211,531.27/66,445.62
  6. Step 6: Final answer
    x = 97,541.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.