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Finding the Fourth Proportional to 72,365.78, 108,547.67 and 32,374.19

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Solution

The fourth proportional to 72,365.78, 108,547.67 and 32,374.19 is: 48,560.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,365.78 : 108,547.67 = 32,374.19 : x
  2. Step 2: Convert to fraction form
    72,365.78/108,547.67 = 32,374.19/x
  3. Step 3: Cross multiply
    72,365.78x = 108,547.67 × 32,374.19
  4. Step 4: Simplify right side
    72,365.78x = 3,514,142,188.03
  5. Step 5: Solve for x
    x = 3,514,142,188.03/72,365.78
  6. Step 6: Final answer
    x = 48,560.83

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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.