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Finding the Fourth Proportional to 108,608.86, 149,877.72 and 63,283.96

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Solution

The fourth proportional to 108,608.86, 149,877.72 and 63,283.96 is: 87,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,608.86 : 149,877.72 = 63,283.96 : x
  2. Step 2: Convert to fraction form
    108,608.86/149,877.72 = 63,283.96/x
  3. Step 3: Cross multiply
    108,608.86x = 149,877.72 × 63,283.96
  4. Step 4: Simplify right side
    108,608.86x = 9,484,855,637.37
  5. Step 5: Solve for x
    x = 9,484,855,637.37/108,608.86
  6. Step 6: Final answer
    x = 87,330.40

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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.