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Finding the Fourth Proportional to 106,643.64, 160,700.90 and 88,333.04

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Solution

The fourth proportional to 106,643.64, 160,700.90 and 88,333.04 is: 133,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,643.64 : 160,700.90 = 88,333.04 : x
  2. Step 2: Convert to fraction form
    106,643.64/160,700.90 = 88,333.04/x
  3. Step 3: Cross multiply
    106,643.64x = 160,700.90 × 88,333.04
  4. Step 4: Simplify right side
    106,643.64x = 14,195,199,027.74
  5. Step 5: Solve for x
    x = 14,195,199,027.74/106,643.64
  6. Step 6: Final answer
    x = 133,108.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.