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Finding the Fourth Proportional to 104,433.78, 156,656.72 and 29,547.66

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Solution

The fourth proportional to 104,433.78, 156,656.72 and 29,547.66 is: 44,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.78 : 156,656.72 = 29,547.66 : x
  2. Step 2: Convert to fraction form
    104,433.78/156,656.72 = 29,547.66/x
  3. Step 3: Cross multiply
    104,433.78x = 156,656.72 × 29,547.66
  4. Step 4: Simplify right side
    104,433.78x = 4,628,839,499.28
  5. Step 5: Solve for x
    x = 4,628,839,499.28/104,433.78
  6. Step 6: Final answer
    x = 44,323.20

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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.