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Finding the Fourth Proportional to 94,503.78, 130,410.54 and 52,054.38

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Solution

The fourth proportional to 94,503.78, 130,410.54 and 52,054.38 is: 71,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,503.78 : 130,410.54 = 52,054.38 : x
  2. Step 2: Convert to fraction form
    94,503.78/130,410.54 = 52,054.38/x
  3. Step 3: Cross multiply
    94,503.78x = 130,410.54 × 52,054.38
  4. Step 4: Simplify right side
    94,503.78x = 6,788,439,805.17
  5. Step 5: Solve for x
    x = 6,788,439,805.17/94,503.78
  6. Step 6: Final answer
    x = 71,832.47

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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.