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Finding the Fourth Proportional to 74,673.60, 112,030.20 and 32,535.60

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Solution

The fourth proportional to 74,673.60, 112,030.20 and 32,535.60 is: 48,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,673.60 : 112,030.20 = 32,535.60 : x
  2. Step 2: Convert to fraction form
    74,673.60/112,030.20 = 32,535.60/x
  3. Step 3: Cross multiply
    74,673.60x = 112,030.20 × 32,535.60
  4. Step 4: Simplify right side
    74,673.60x = 3,644,969,775.12
  5. Step 5: Solve for x
    x = 3,644,969,775.12/74,673.60
  6. Step 6: Final answer
    x = 48,812.03

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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.