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Finding the Fourth Proportional to 362,122, 543,203.76 and 95,875.60

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Solution

The fourth proportional to 362,122, 543,203.76 and 95,875.60 is: 143,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,122 : 543,203.76 = 95,875.60 : x
  2. Step 2: Convert to fraction form
    362,122/543,203.76 = 95,875.60/x
  3. Step 3: Cross multiply
    362,122x = 543,203.76 × 95,875.60
  4. Step 4: Simplify right side
    362,122x = 52,079,986,412.26
  5. Step 5: Solve for x
    x = 52,079,986,412.26/362,122
  6. Step 6: Final answer
    x = 143,818.90

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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.