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Finding the Fourth Proportional to 302,487.66, 453,799.78 and 100,083.32

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Solution

The fourth proportional to 302,487.66, 453,799.78 and 100,083.32 is: 150,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,487.66 : 453,799.78 = 100,083.32 : x
  2. Step 2: Convert to fraction form
    302,487.66/453,799.78 = 100,083.32/x
  3. Step 3: Cross multiply
    302,487.66x = 453,799.78 × 100,083.32
  4. Step 4: Simplify right side
    302,487.66x = 45,417,788,597.67
  5. Step 5: Solve for x
    x = 45,417,788,597.67/302,487.66
  6. Step 6: Final answer
    x = 150,147.57

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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.