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Finding the Fourth Proportional to 73,746.62, 101,779.07 and 41,920.30

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Solution

The fourth proportional to 73,746.62, 101,779.07 and 41,920.30 is: 57,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,746.62 : 101,779.07 = 41,920.30 : x
  2. Step 2: Convert to fraction form
    73,746.62/101,779.07 = 41,920.30/x
  3. Step 3: Cross multiply
    73,746.62x = 101,779.07 × 41,920.30
  4. Step 4: Simplify right side
    73,746.62x = 4,266,609,148.12
  5. Step 5: Solve for x
    x = 4,266,609,148.12/73,746.62
  6. Step 6: Final answer
    x = 57,854.98

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1.5x scale

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.