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Finding the Fourth Proportional to 93,292.18, 139,979.52 and 48,908.32

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Solution

The fourth proportional to 93,292.18, 139,979.52 and 48,908.32 is: 73,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,292.18 : 139,979.52 = 48,908.32 : x
  2. Step 2: Convert to fraction form
    93,292.18/139,979.52 = 48,908.32/x
  3. Step 3: Cross multiply
    93,292.18x = 139,979.52 × 48,908.32
  4. Step 4: Simplify right side
    93,292.18x = 6,846,163,157.61
  5. Step 5: Solve for x
    x = 6,846,163,157.61/93,292.18
  6. Step 6: Final answer
    x = 73,384.11

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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.