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Finding the Fourth Proportional to 364,803.06, 547,259.22 and 128,104.02

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Solution

The fourth proportional to 364,803.06, 547,259.22 and 128,104.02 is: 192,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,803.06 : 547,259.22 = 128,104.02 : x
  2. Step 2: Convert to fraction form
    364,803.06/547,259.22 = 128,104.02/x
  3. Step 3: Cross multiply
    364,803.06x = 547,259.22 × 128,104.02
  4. Step 4: Simplify right side
    364,803.06x = 70,106,106,064.06
  5. Step 5: Solve for x
    x = 70,106,106,064.06/364,803.06
  6. Step 6: Final answer
    x = 192,175.21

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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.