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Finding the Fourth Proportional to 93,650.60, 129,227.22 and 55,411.32

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Solution

The fourth proportional to 93,650.60, 129,227.22 and 55,411.32 is: 76,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,650.60 : 129,227.22 = 55,411.32 : x
  2. Step 2: Convert to fraction form
    93,650.60/129,227.22 = 55,411.32/x
  3. Step 3: Cross multiply
    93,650.60x = 129,227.22 × 55,411.32
  4. Step 4: Simplify right side
    93,650.60x = 7,160,650,840.13
  5. Step 5: Solve for x
    x = 7,160,650,840.13/93,650.60
  6. Step 6: Final answer
    x = 76,461.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.