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Finding the Fourth Proportional to 375,459.50, 563,184.09 and 91,152.24

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Solution

The fourth proportional to 375,459.50, 563,184.09 and 91,152.24 is: 136,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,459.50 : 563,184.09 = 91,152.24 : x
  2. Step 2: Convert to fraction form
    375,459.50/563,184.09 = 91,152.24/x
  3. Step 3: Cross multiply
    375,459.50x = 563,184.09 × 91,152.24
  4. Step 4: Simplify right side
    375,459.50x = 51,335,489,223.92
  5. Step 5: Solve for x
    x = 51,335,489,223.92/375,459.50
  6. Step 6: Final answer
    x = 136,727.10

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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.