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Finding the Fourth Proportional to 375,571.04, 562,962.89 and 138,762.68

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Solution

The fourth proportional to 375,571.04, 562,962.89 and 138,762.68 is: 207,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,571.04 : 562,962.89 = 138,762.68 : x
  2. Step 2: Convert to fraction form
    375,571.04/562,962.89 = 138,762.68/x
  3. Step 3: Cross multiply
    375,571.04x = 562,962.89 × 138,762.68
  4. Step 4: Simplify right side
    375,571.04x = 78,118,236,889.04
  5. Step 5: Solve for x
    x = 78,118,236,889.04/375,571.04
  6. Step 6: Final answer
    x = 207,998.57

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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.