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Finding the Fourth Proportional to 355,883.91, 533,825.86 and 156,206.02

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Solution

The fourth proportional to 355,883.91, 533,825.86 and 156,206.02 is: 234,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,883.91 : 533,825.86 = 156,206.02 : x
  2. Step 2: Convert to fraction form
    355,883.91/533,825.86 = 156,206.02/x
  3. Step 3: Cross multiply
    355,883.91x = 533,825.86 × 156,206.02
  4. Step 4: Simplify right side
    355,883.91x = 83,386,812,182.65
  5. Step 5: Solve for x
    x = 83,386,812,182.65/355,883.91
  6. Step 6: Final answer
    x = 234,309.03

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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.