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Finding the Fourth Proportional to 93,002.48, 139,310.52 and 45,474.32

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Solution

The fourth proportional to 93,002.48, 139,310.52 and 45,474.32 is: 68,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,002.48 : 139,310.52 = 45,474.32 : x
  2. Step 2: Convert to fraction form
    93,002.48/139,310.52 = 45,474.32/x
  3. Step 3: Cross multiply
    93,002.48x = 139,310.52 × 45,474.32
  4. Step 4: Simplify right side
    93,002.48x = 6,335,051,165.85
  5. Step 5: Solve for x
    x = 6,335,051,165.85/93,002.48
  6. Step 6: Final answer
    x = 68,117.01

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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.