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Finding the Fourth Proportional to 101,377.38, 139,895.14 and 56,052.64

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Solution

The fourth proportional to 101,377.38, 139,895.14 and 56,052.64 is: 77,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,377.38 : 139,895.14 = 56,052.64 : x
  2. Step 2: Convert to fraction form
    101,377.38/139,895.14 = 56,052.64/x
  3. Step 3: Cross multiply
    101,377.38x = 139,895.14 × 56,052.64
  4. Step 4: Simplify right side
    101,377.38x = 7,841,492,060.01
  5. Step 5: Solve for x
    x = 7,841,492,060.01/101,377.38
  6. Step 6: Final answer
    x = 77,349.53

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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.