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Finding the Fourth Proportional to 93,200.58, 139,800.20 and 55,771.02

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Solution

The fourth proportional to 93,200.58, 139,800.20 and 55,771.02 is: 83,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,200.58 : 139,800.20 = 55,771.02 : x
  2. Step 2: Convert to fraction form
    93,200.58/139,800.20 = 55,771.02/x
  3. Step 3: Cross multiply
    93,200.58x = 139,800.20 × 55,771.02
  4. Step 4: Simplify right side
    93,200.58x = 7,796,799,471.35
  5. Step 5: Solve for x
    x = 7,796,799,471.35/93,200.58
  6. Step 6: Final answer
    x = 83,656.13

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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.