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Finding the Fourth Proportional to 356,688.54, 535,102.73 and 132,050.70

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Solution

The fourth proportional to 356,688.54, 535,102.73 and 132,050.70 is: 198,101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,688.54 : 535,102.73 = 132,050.70 : x
  2. Step 2: Convert to fraction form
    356,688.54/535,102.73 = 132,050.70/x
  3. Step 3: Cross multiply
    356,688.54x = 535,102.73 × 132,050.70
  4. Step 4: Simplify right side
    356,688.54x = 70,660,690,068.41
  5. Step 5: Solve for x
    x = 70,660,690,068.41/356,688.54
  6. Step 6: Final answer
    x = 198,101.94

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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.