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Finding the Fourth Proportional to 97,637, 134,731.46 and 59,391.40

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Solution

The fourth proportional to 97,637, 134,731.46 and 59,391.40 is: 81,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,637 : 134,731.46 = 59,391.40 : x
  2. Step 2: Convert to fraction form
    97,637/134,731.46 = 59,391.40/x
  3. Step 3: Cross multiply
    97,637x = 134,731.46 × 59,391.40
  4. Step 4: Simplify right side
    97,637x = 8,001,890,033.44
  5. Step 5: Solve for x
    x = 8,001,890,033.44/97,637
  6. Step 6: Final answer
    x = 81,955.51

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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.