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Finding the Fourth Proportional to 163,663.26, 225,779.04 and 106,298.52

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Solution

The fourth proportional to 163,663.26, 225,779.04 and 106,298.52 is: 146,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,663.26 : 225,779.04 = 106,298.52 : x
  2. Step 2: Convert to fraction form
    163,663.26/225,779.04 = 106,298.52/x
  3. Step 3: Cross multiply
    163,663.26x = 225,779.04 × 106,298.52
  4. Step 4: Simplify right side
    163,663.26x = 23,999,977,799.02
  5. Step 5: Solve for x
    x = 23,999,977,799.02/163,663.26
  6. Step 6: Final answer
    x = 146,642.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.