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Finding the Fourth Proportional to 52,066.56, 78,102 and 15,130.56

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Solution

The fourth proportional to 52,066.56, 78,102 and 15,130.56 is: 22,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,066.56 : 78,102 = 15,130.56 : x
  2. Step 2: Convert to fraction form
    52,066.56/78,102 = 15,130.56/x
  3. Step 3: Cross multiply
    52,066.56x = 78,102 × 15,130.56
  4. Step 4: Simplify right side
    52,066.56x = 1,181,726,997.12
  5. Step 5: Solve for x
    x = 1,181,726,997.12/52,066.56
  6. Step 6: Final answer
    x = 22,696.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.