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Finding the Fourth Proportional to 374,534.08, 561,798.96 and 125,213.92

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Solution

The fourth proportional to 374,534.08, 561,798.96 and 125,213.92 is: 187,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,534.08 : 561,798.96 = 125,213.92 : x
  2. Step 2: Convert to fraction form
    374,534.08/561,798.96 = 125,213.92/x
  3. Step 3: Cross multiply
    374,534.08x = 561,798.96 × 125,213.92
  4. Step 4: Simplify right side
    374,534.08x = 70,345,050,033.52
  5. Step 5: Solve for x
    x = 70,345,050,033.52/374,534.08
  6. Step 6: Final answer
    x = 187,820.16

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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.