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Finding the Fourth Proportional to 98,774.96, 136,354.44 and 63,014

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Solution

The fourth proportional to 98,774.96, 136,354.44 and 63,014 is: 86,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,774.96 : 136,354.44 = 63,014 : x
  2. Step 2: Convert to fraction form
    98,774.96/136,354.44 = 63,014/x
  3. Step 3: Cross multiply
    98,774.96x = 136,354.44 × 63,014
  4. Step 4: Simplify right side
    98,774.96x = 8,592,238,682.16
  5. Step 5: Solve for x
    x = 8,592,238,682.16/98,774.96
  6. Step 6: Final answer
    x = 86,988.02

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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.