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Finding the Fourth Proportional to 93,053.97, 139,498.11 and 43,065.45

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Solution

The fourth proportional to 93,053.97, 139,498.11 and 43,065.45 is: 64,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,053.97 : 139,498.11 = 43,065.45 : x
  2. Step 2: Convert to fraction form
    93,053.97/139,498.11 = 43,065.45/x
  3. Step 3: Cross multiply
    93,053.97x = 139,498.11 × 43,065.45
  4. Step 4: Simplify right side
    93,053.97x = 6,007,548,881.30
  5. Step 5: Solve for x
    x = 6,007,548,881.30/93,053.97
  6. Step 6: Final answer
    x = 64,559.83

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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.