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Finding the Fourth Proportional to 93,305.86, 128,762.39 and 53,033.00

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Solution

The fourth proportional to 93,305.86, 128,762.39 and 53,033.00 is: 73,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,305.86 : 128,762.39 = 53,033.00 : x
  2. Step 2: Convert to fraction form
    93,305.86/128,762.39 = 53,033.00/x
  3. Step 3: Cross multiply
    93,305.86x = 128,762.39 × 53,033.00
  4. Step 4: Simplify right side
    93,305.86x = 6,828,655,317.64
  5. Step 5: Solve for x
    x = 6,828,655,317.64/93,305.86
  6. Step 6: Final answer
    x = 73,185.71

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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.