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Finding the Fourth Proportional to 93,375.68, 139,468.08 and 84,477.29

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Solution

The fourth proportional to 93,375.68, 139,468.08 and 84,477.29 is: 126,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,375.68 : 139,468.08 = 84,477.29 : x
  2. Step 2: Convert to fraction form
    93,375.68/139,468.08 = 84,477.29/x
  3. Step 3: Cross multiply
    93,375.68x = 139,468.08 × 84,477.29
  4. Step 4: Simplify right side
    93,375.68x = 11,781,884,742.56
  5. Step 5: Solve for x
    x = 11,781,884,742.56/93,375.68
  6. Step 6: Final answer
    x = 126,177.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.