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Finding the Fourth Proportional to 69,068.48, 103,405.86 and 46,833.98

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Solution

The fourth proportional to 69,068.48, 103,405.86 and 46,833.98 is: 70,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,068.48 : 103,405.86 = 46,833.98 : x
  2. Step 2: Convert to fraction form
    69,068.48/103,405.86 = 46,833.98/x
  3. Step 3: Cross multiply
    69,068.48x = 103,405.86 × 46,833.98
  4. Step 4: Simplify right side
    69,068.48x = 4,842,907,979.12
  5. Step 5: Solve for x
    x = 4,842,907,979.12/69,068.48
  6. Step 6: Final answer
    x = 70,117.48

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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.