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Finding the Fourth Proportional to 302,382.42, 453,577.95 and 105,390.42

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Solution

The fourth proportional to 302,382.42, 453,577.95 and 105,390.42 is: 158,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,382.42 : 453,577.95 = 105,390.42 : x
  2. Step 2: Convert to fraction form
    302,382.42/453,577.95 = 105,390.42/x
  3. Step 3: Cross multiply
    302,382.42x = 453,577.95 × 105,390.42
  4. Step 4: Simplify right side
    302,382.42x = 47,802,770,653.24
  5. Step 5: Solve for x
    x = 47,802,770,653.24/302,382.42
  6. Step 6: Final answer
    x = 158,087.14

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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.