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Finding the Fourth Proportional to 163,570.67, 245,355.69 and 51,259.49

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Solution

The fourth proportional to 163,570.67, 245,355.69 and 51,259.49 is: 76,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,570.67 : 245,355.69 = 51,259.49 : x
  2. Step 2: Convert to fraction form
    163,570.67/245,355.69 = 51,259.49/x
  3. Step 3: Cross multiply
    163,570.67x = 245,355.69 × 51,259.49
  4. Step 4: Simplify right side
    163,570.67x = 12,576,807,538.00
  5. Step 5: Solve for x
    x = 12,576,807,538.00/163,570.67
  6. Step 6: Final answer
    x = 76,889.14

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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.