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Finding the Fourth Proportional to 88,703.64, 122,411.43 and 48,418.29

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Solution

The fourth proportional to 88,703.64, 122,411.43 and 48,418.29 is: 66,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,703.64 : 122,411.43 = 48,418.29 : x
  2. Step 2: Convert to fraction form
    88,703.64/122,411.43 = 48,418.29/x
  3. Step 3: Cross multiply
    88,703.64x = 122,411.43 × 48,418.29
  4. Step 4: Simplify right side
    88,703.64x = 5,926,952,117.05
  5. Step 5: Solve for x
    x = 5,926,952,117.05/88,703.64
  6. Step 6: Final answer
    x = 66,817.46

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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.