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Finding the Fourth Proportional to 375,496.93, 563,240.53 and 91,189.81

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Solution

The fourth proportional to 375,496.93, 563,240.53 and 91,189.81 is: 136,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,496.93 : 563,240.53 = 91,189.81 : x
  2. Step 2: Convert to fraction form
    375,496.93/563,240.53 = 91,189.81/x
  3. Step 3: Cross multiply
    375,496.93x = 563,240.53 × 91,189.81
  4. Step 4: Simplify right side
    375,496.93x = 51,361,793,642.85
  5. Step 5: Solve for x
    x = 51,361,793,642.85/375,496.93
  6. Step 6: Final answer
    x = 136,783.53

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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.