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Finding the Fourth Proportional to 93,255.51, 139,924.61 and 48,871.71

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Solution

The fourth proportional to 93,255.51, 139,924.61 and 48,871.71 is: 73,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,255.51 : 139,924.61 = 48,871.71 : x
  2. Step 2: Convert to fraction form
    93,255.51/139,924.61 = 48,871.71/x
  3. Step 3: Cross multiply
    93,255.51x = 139,924.61 × 48,871.71
  4. Step 4: Simplify right side
    93,255.51x = 6,838,354,017.80
  5. Step 5: Solve for x
    x = 6,838,354,017.80/93,255.51
  6. Step 6: Final answer
    x = 73,329.23

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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.