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Finding the Fourth Proportional to 302,315.16, 453,341.41 and 91,903.89

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Solution

The fourth proportional to 302,315.16, 453,341.41 and 91,903.89 is: 137,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,315.16 : 453,341.41 = 91,903.89 : x
  2. Step 2: Convert to fraction form
    302,315.16/453,341.41 = 91,903.89/x
  3. Step 3: Cross multiply
    302,315.16x = 453,341.41 × 91,903.89
  4. Step 4: Simplify right side
    302,315.16x = 41,663,839,272.33
  5. Step 5: Solve for x
    x = 41,663,839,272.33/302,315.16
  6. Step 6: Final answer
    x = 137,815.91

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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.