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Finding the Fourth Proportional to 375,471.68, 563,211.07 and 91,164.76

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Solution

The fourth proportional to 375,471.68, 563,211.07 and 91,164.76 is: 136,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,471.68 : 563,211.07 = 91,164.76 : x
  2. Step 2: Convert to fraction form
    375,471.68/563,211.07 = 91,164.76/x
  3. Step 3: Cross multiply
    375,471.68x = 563,211.07 × 91,164.76
  4. Step 4: Simplify right side
    375,471.68x = 51,345,000,389.95
  5. Step 5: Solve for x
    x = 51,345,000,389.95/375,471.68
  6. Step 6: Final answer
    x = 136,748.00

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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.