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Finding the Fourth Proportional to 89,880.98, 134,848.40 and 26,703.21

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Solution

The fourth proportional to 89,880.98, 134,848.40 and 26,703.21 is: 40,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880.98 : 134,848.40 = 26,703.21 : x
  2. Step 2: Convert to fraction form
    89,880.98/134,848.40 = 26,703.21/x
  3. Step 3: Cross multiply
    89,880.98x = 134,848.40 × 26,703.21
  4. Step 4: Simplify right side
    89,880.98x = 3,600,885,143.36
  5. Step 5: Solve for x
    x = 3,600,885,143.36/89,880.98
  6. Step 6: Final answer
    x = 40,062.82

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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.