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Finding the Fourth Proportional to 97,753.88, 134,902.40 and 55,312.41

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Solution

The fourth proportional to 97,753.88, 134,902.40 and 55,312.41 is: 76,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,753.88 : 134,902.40 = 55,312.41 : x
  2. Step 2: Convert to fraction form
    97,753.88/134,902.40 = 55,312.41/x
  3. Step 3: Cross multiply
    97,753.88x = 134,902.40 × 55,312.41
  4. Step 4: Simplify right side
    97,753.88x = 7,461,776,858.78
  5. Step 5: Solve for x
    x = 7,461,776,858.78/97,753.88
  6. Step 6: Final answer
    x = 76,332.28

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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.