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Finding the Fourth Proportional to 93,387.72, 140,081.58 and 51,533.82

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Solution

The fourth proportional to 93,387.72, 140,081.58 and 51,533.82 is: 77,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,387.72 : 140,081.58 = 51,533.82 : x
  2. Step 2: Convert to fraction form
    93,387.72/140,081.58 = 51,533.82/x
  3. Step 3: Cross multiply
    93,387.72x = 140,081.58 × 51,533.82
  4. Step 4: Simplify right side
    93,387.72x = 7,218,938,784.10
  5. Step 5: Solve for x
    x = 7,218,938,784.10/93,387.72
  6. Step 6: Final answer
    x = 77,300.73

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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.