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Finding the Fourth Proportional to 163,951.18, 245,935.59 and 51,640.19

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Solution

The fourth proportional to 163,951.18, 245,935.59 and 51,640.19 is: 77,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,951.18 : 245,935.59 = 51,640.19 : x
  2. Step 2: Convert to fraction form
    163,951.18/245,935.59 = 51,640.19/x
  3. Step 3: Cross multiply
    163,951.18x = 245,935.59 × 51,640.19
  4. Step 4: Simplify right side
    163,951.18x = 12,700,159,107.48
  5. Step 5: Solve for x
    x = 12,700,159,107.48/163,951.18
  6. Step 6: Final answer
    x = 77,463.05

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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.