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Finding the Fourth Proportional to 61,773.35, 85,307.70 and 52,768.37

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Solution

The fourth proportional to 61,773.35, 85,307.70 and 52,768.37 is: 72,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,773.35 : 85,307.70 = 52,768.37 : x
  2. Step 2: Convert to fraction form
    61,773.35/85,307.70 = 52,768.37/x
  3. Step 3: Cross multiply
    61,773.35x = 85,307.70 × 52,768.37
  4. Step 4: Simplify right side
    61,773.35x = 4,501,547,850.91
  5. Step 5: Solve for x
    x = 4,501,547,850.91/61,773.35
  6. Step 6: Final answer
    x = 72,872.01

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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.