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Finding the Fourth Proportional to 133,779.69, 200,690.30 and 45,026.28

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Solution

The fourth proportional to 133,779.69, 200,690.30 and 45,026.28 is: 67,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,779.69 : 200,690.30 = 45,026.28 : x
  2. Step 2: Convert to fraction form
    133,779.69/200,690.30 = 45,026.28/x
  3. Step 3: Cross multiply
    133,779.69x = 200,690.30 × 45,026.28
  4. Step 4: Simplify right side
    133,779.69x = 9,036,337,641.08
  5. Step 5: Solve for x
    x = 9,036,337,641.08/133,779.69
  6. Step 6: Final answer
    x = 67,546.41

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1.5x scale

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.