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Finding the Fourth Proportional to 72,503.16, 108,779.40 and 22,594.56

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Solution

The fourth proportional to 72,503.16, 108,779.40 and 22,594.56 is: 33,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,503.16 : 108,779.40 = 22,594.56 : x
  2. Step 2: Convert to fraction form
    72,503.16/108,779.40 = 22,594.56/x
  3. Step 3: Cross multiply
    72,503.16x = 108,779.40 × 22,594.56
  4. Step 4: Simplify right side
    72,503.16x = 2,457,822,680.06
  5. Step 5: Solve for x
    x = 2,457,822,680.06/72,503.16
  6. Step 6: Final answer
    x = 33,899.52

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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.