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Finding the Fourth Proportional to 375,573, 563,360.22 and 91,263.81

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Solution

The fourth proportional to 375,573, 563,360.22 and 91,263.81 is: 136,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,573 : 563,360.22 = 91,263.81 : x
  2. Step 2: Convert to fraction form
    375,573/563,360.22 = 91,263.81/x
  3. Step 3: Cross multiply
    375,573x = 563,360.22 × 91,263.81
  4. Step 4: Simplify right side
    375,573x = 51,414,400,079.64
  5. Step 5: Solve for x
    x = 51,414,400,079.64/375,573
  6. Step 6: Final answer
    x = 136,895.89

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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.