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Finding the Fourth Proportional to 97,354.89, 134,349.72 and 52,642.89

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Solution

The fourth proportional to 97,354.89, 134,349.72 and 52,642.89 is: 72,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,354.89 : 134,349.72 = 52,642.89 : x
  2. Step 2: Convert to fraction form
    97,354.89/134,349.72 = 52,642.89/x
  3. Step 3: Cross multiply
    97,354.89x = 134,349.72 × 52,642.89
  4. Step 4: Simplify right side
    97,354.89x = 7,072,557,531.49
  5. Step 5: Solve for x
    x = 7,072,557,531.49/97,354.89
  6. Step 6: Final answer
    x = 72,647.17

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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.