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Finding the Fourth Proportional to 92,893.60, 139,354.80 and 30,544.48

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Solution

The fourth proportional to 92,893.60, 139,354.80 and 30,544.48 is: 45,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.60 : 139,354.80 = 30,544.48 : x
  2. Step 2: Convert to fraction form
    92,893.60/139,354.80 = 30,544.48/x
  3. Step 3: Cross multiply
    92,893.60x = 139,354.80 × 30,544.48
  4. Step 4: Simplify right side
    92,893.60x = 4,256,519,901.50
  5. Step 5: Solve for x
    x = 4,256,519,901.50/92,893.60
  6. Step 6: Final answer
    x = 45,821.45

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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.