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Finding the Fourth Proportional to 375,763.91, 563,641.11 and 91,454.94

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Solution

The fourth proportional to 375,763.91, 563,641.11 and 91,454.94 is: 137,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,763.91 : 563,641.11 = 91,454.94 : x
  2. Step 2: Convert to fraction form
    375,763.91/563,641.11 = 91,454.94/x
  3. Step 3: Cross multiply
    375,763.91x = 563,641.11 × 91,454.94
  4. Step 4: Simplify right side
    375,763.91x = 51,547,763,896.58
  5. Step 5: Solve for x
    x = 51,547,763,896.58/375,763.91
  6. Step 6: Final answer
    x = 137,181.25

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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.