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Finding the Fourth Proportional to 116,494.40, 174,479.16 and 69,649.04

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Solution

The fourth proportional to 116,494.40, 174,479.16 and 69,649.04 is: 104,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,494.40 : 174,479.16 = 69,649.04 : x
  2. Step 2: Convert to fraction form
    116,494.40/174,479.16 = 69,649.04/x
  3. Step 3: Cross multiply
    116,494.40x = 174,479.16 × 69,649.04
  4. Step 4: Simplify right side
    116,494.40x = 12,152,305,994.01
  5. Step 5: Solve for x
    x = 12,152,305,994.01/116,494.40
  6. Step 6: Final answer
    x = 104,316.65

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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.