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Finding the Fourth Proportional to 68,007.11, 93,807.45 and 46,749.47

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Solution

The fourth proportional to 68,007.11, 93,807.45 and 46,749.47 is: 64,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,007.11 : 93,807.45 = 46,749.47 : x
  2. Step 2: Convert to fraction form
    68,007.11/93,807.45 = 46,749.47/x
  3. Step 3: Cross multiply
    68,007.11x = 93,807.45 × 46,749.47
  4. Step 4: Simplify right side
    68,007.11x = 4,385,448,100.51
  5. Step 5: Solve for x
    x = 4,385,448,100.51/68,007.11
  6. Step 6: Final answer
    x = 64,485.15

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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.