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Finding the Fourth Proportional to 163,529.65, 245,294.47 and 51,218.65

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Solution

The fourth proportional to 163,529.65, 245,294.47 and 51,218.65 is: 76,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,529.65 : 245,294.47 = 51,218.65 : x
  2. Step 2: Convert to fraction form
    163,529.65/245,294.47 = 51,218.65/x
  3. Step 3: Cross multiply
    163,529.65x = 245,294.47 × 51,218.65
  4. Step 4: Simplify right side
    163,529.65x = 12,563,651,605.87
  5. Step 5: Solve for x
    x = 12,563,651,605.87/163,529.65
  6. Step 6: Final answer
    x = 76,827.98

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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.