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Finding the Fourth Proportional to 88,718.68, 133,104 and 33,319

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Solution

The fourth proportional to 88,718.68, 133,104 and 33,319 is: 49,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718.68 : 133,104 = 33,319 : x
  2. Step 2: Convert to fraction form
    88,718.68/133,104 = 33,319/x
  3. Step 3: Cross multiply
    88,718.68x = 133,104 × 33,319
  4. Step 4: Simplify right side
    88,718.68x = 4,434,892,176
  5. Step 5: Solve for x
    x = 4,434,892,176/88,718.68
  6. Step 6: Final answer
    x = 49,988.26

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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.