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Finding the Fourth Proportional to 356,736.43, 535,159.93 and 120,060.64

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Solution

The fourth proportional to 356,736.43, 535,159.93 and 120,060.64 is: 180,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,736.43 : 535,159.93 = 120,060.64 : x
  2. Step 2: Convert to fraction form
    356,736.43/535,159.93 = 120,060.64/x
  3. Step 3: Cross multiply
    356,736.43x = 535,159.93 × 120,060.64
  4. Step 4: Simplify right side
    356,736.43x = 64,251,643,698.16
  5. Step 5: Solve for x
    x = 64,251,643,698.16/356,736.43
  6. Step 6: Final answer
    x = 180,109.57

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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.