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Finding the Fourth Proportional to 245,867.84, 368,840.70 and 88,092.80

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Solution

The fourth proportional to 245,867.84, 368,840.70 and 88,092.80 is: 132,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,867.84 : 368,840.70 = 88,092.80 : x
  2. Step 2: Convert to fraction form
    245,867.84/368,840.70 = 88,092.80/x
  3. Step 3: Cross multiply
    245,867.84x = 368,840.70 × 88,092.80
  4. Step 4: Simplify right side
    245,867.84x = 32,492,210,016.96
  5. Step 5: Solve for x
    x = 32,492,210,016.96/245,867.84
  6. Step 6: Final answer
    x = 132,153.15

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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.