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Finding the Fourth Proportional to 245,868.84, 368,842.20 and 88,093.80

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Solution

The fourth proportional to 245,868.84, 368,842.20 and 88,093.80 is: 132,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,868.84 : 368,842.20 = 88,093.80 : x
  2. Step 2: Convert to fraction form
    245,868.84/368,842.20 = 88,093.80/x
  3. Step 3: Cross multiply
    245,868.84x = 368,842.20 × 88,093.80
  4. Step 4: Simplify right side
    245,868.84x = 32,492,710,998.36
  5. Step 5: Solve for x
    x = 32,492,710,998.36/245,868.84
  6. Step 6: Final answer
    x = 132,154.65

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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.