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Finding the Fourth Proportional to 163,570.96, 245,356.14 and 51,259.78

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Solution

The fourth proportional to 163,570.96, 245,356.14 and 51,259.78 is: 76,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,570.96 : 245,356.14 = 51,259.78 : x
  2. Step 2: Convert to fraction form
    163,570.96/245,356.14 = 51,259.78/x
  3. Step 3: Cross multiply
    163,570.96x = 245,356.14 × 51,259.78
  4. Step 4: Simplify right side
    163,570.96x = 12,576,901,758.05
  5. Step 5: Solve for x
    x = 12,576,901,758.05/163,570.96
  6. Step 6: Final answer
    x = 76,889.58

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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.