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Finding the Fourth Proportional to 362,129.13, 543,018.74 and 151,710.57

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Solution

The fourth proportional to 362,129.13, 543,018.74 and 151,710.57 is: 227,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,129.13 : 543,018.74 = 151,710.57 : x
  2. Step 2: Convert to fraction form
    362,129.13/543,018.74 = 151,710.57/x
  3. Step 3: Cross multiply
    362,129.13x = 543,018.74 × 151,710.57
  4. Step 4: Simplify right side
    362,129.13x = 82,381,681,807.53
  5. Step 5: Solve for x
    x = 82,381,681,807.53/362,129.13
  6. Step 6: Final answer
    x = 227,492.56

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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.