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Finding the Fourth Proportional to 93,339.99, 128,804.52 and 53,048.43

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Solution

The fourth proportional to 93,339.99, 128,804.52 and 53,048.43 is: 73,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,339.99 : 128,804.52 = 53,048.43 : x
  2. Step 2: Convert to fraction form
    93,339.99/128,804.52 = 53,048.43/x
  3. Step 3: Cross multiply
    93,339.99x = 128,804.52 × 53,048.43
  4. Step 4: Simplify right side
    93,339.99x = 6,832,877,562.90
  5. Step 5: Solve for x
    x = 6,832,877,562.90/93,339.99
  6. Step 6: Final answer
    x = 73,204.18

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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.