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Finding the Fourth Proportional to 344,957.50, 517,436.28 and 95,639.50

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Solution

The fourth proportional to 344,957.50, 517,436.28 and 95,639.50 is: 143,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,957.50 : 517,436.28 = 95,639.50 : x
  2. Step 2: Convert to fraction form
    344,957.50/517,436.28 = 95,639.50/x
  3. Step 3: Cross multiply
    344,957.50x = 517,436.28 × 95,639.50
  4. Step 4: Simplify right side
    344,957.50x = 49,487,347,101.06
  5. Step 5: Solve for x
    x = 49,487,347,101.06/344,957.50
  6. Step 6: Final answer
    x = 143,459.26

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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.