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Finding the Fourth Proportional to 356,664.47, 535,056.84 and 119,950.88

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Solution

The fourth proportional to 356,664.47, 535,056.84 and 119,950.88 is: 179,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,664.47 : 535,056.84 = 119,950.88 : x
  2. Step 2: Convert to fraction form
    356,664.47/535,056.84 = 119,950.88/x
  3. Step 3: Cross multiply
    356,664.47x = 535,056.84 × 119,950.88
  4. Step 4: Simplify right side
    356,664.47x = 64,180,536,132.74
  5. Step 5: Solve for x
    x = 64,180,536,132.74/356,664.47
  6. Step 6: Final answer
    x = 179,946.54

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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.