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Finding the Fourth Proportional to 69,054.67, 103,415.85 and 46,800.53

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Solution

The fourth proportional to 69,054.67, 103,415.85 and 46,800.53 is: 70,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,054.67 : 103,415.85 = 46,800.53 : x
  2. Step 2: Convert to fraction form
    69,054.67/103,415.85 = 46,800.53/x
  3. Step 3: Cross multiply
    69,054.67x = 103,415.85 × 46,800.53
  4. Step 4: Simplify right side
    69,054.67x = 4,839,916,073.32
  5. Step 5: Solve for x
    x = 4,839,916,073.32/69,054.67
  6. Step 6: Final answer
    x = 70,088.18

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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.