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Finding the Fourth Proportional to 362,070.17, 543,143.17 and 134,428.07

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Solution

The fourth proportional to 362,070.17, 543,143.17 and 134,428.07 is: 201,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,070.17 : 543,143.17 = 134,428.07 : x
  2. Step 2: Convert to fraction form
    362,070.17/543,143.17 = 134,428.07/x
  3. Step 3: Cross multiply
    362,070.17x = 543,143.17 × 134,428.07
  4. Step 4: Simplify right side
    362,070.17x = 73,013,689,602.67
  5. Step 5: Solve for x
    x = 73,013,689,602.67/362,070.17
  6. Step 6: Final answer
    x = 201,656.19

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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.