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Finding the Fourth Proportional to 269,045.15, 403,590.94 and 69,363.81

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Solution

The fourth proportional to 269,045.15, 403,590.94 and 69,363.81 is: 104,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,045.15 : 403,590.94 = 69,363.81 : x
  2. Step 2: Convert to fraction form
    269,045.15/403,590.94 = 69,363.81/x
  3. Step 3: Cross multiply
    269,045.15x = 403,590.94 × 69,363.81
  4. Step 4: Simplify right side
    269,045.15x = 27,994,605,106.47
  5. Step 5: Solve for x
    x = 27,994,605,106.47/269,045.15
  6. Step 6: Final answer
    x = 104,051.70

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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.