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Finding the Fourth Proportional to 73,566.72, 101,445.12 and 48,384

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Solution

The fourth proportional to 73,566.72, 101,445.12 and 48,384 is: 66,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,566.72 : 101,445.12 = 48,384 : x
  2. Step 2: Convert to fraction form
    73,566.72/101,445.12 = 48,384/x
  3. Step 3: Cross multiply
    73,566.72x = 101,445.12 × 48,384
  4. Step 4: Simplify right side
    73,566.72x = 4,908,320,686.08
  5. Step 5: Solve for x
    x = 4,908,320,686.08/73,566.72
  6. Step 6: Final answer
    x = 66,719.31

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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.