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Finding the Fourth Proportional to 555,894.84, 833,830.74 and 135,172.92

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Solution

The fourth proportional to 555,894.84, 833,830.74 and 135,172.92 is: 202,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,894.84 : 833,830.74 = 135,172.92 : x
  2. Step 2: Convert to fraction form
    555,894.84/833,830.74 = 135,172.92/x
  3. Step 3: Cross multiply
    555,894.84x = 833,830.74 × 135,172.92
  4. Step 4: Simplify right side
    555,894.84x = 112,711,335,911.56
  5. Step 5: Solve for x
    x = 112,711,335,911.56/555,894.84
  6. Step 6: Final answer
    x = 202,756.58

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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.