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Finding the Fourth Proportional to 355,216.35, 532,812.24 and 88,979.16

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Solution

The fourth proportional to 355,216.35, 532,812.24 and 88,979.16 is: 133,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,216.35 : 532,812.24 = 88,979.16 : x
  2. Step 2: Convert to fraction form
    355,216.35/532,812.24 = 88,979.16/x
  3. Step 3: Cross multiply
    355,216.35x = 532,812.24 × 88,979.16
  4. Step 4: Simplify right side
    355,216.35x = 47,409,185,552.92
  5. Step 5: Solve for x
    x = 47,409,185,552.92/355,216.35
  6. Step 6: Final answer
    x = 133,465.66

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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.