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Finding the Fourth Proportional to 93,513.20, 140,269.80 and 30,333.20

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Solution

The fourth proportional to 93,513.20, 140,269.80 and 30,333.20 is: 45,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,513.20 : 140,269.80 = 30,333.20 : x
  2. Step 2: Convert to fraction form
    93,513.20/140,269.80 = 30,333.20/x
  3. Step 3: Cross multiply
    93,513.20x = 140,269.80 × 30,333.20
  4. Step 4: Simplify right side
    93,513.20x = 4,254,831,897.36
  5. Step 5: Solve for x
    x = 4,254,831,897.36/93,513.20
  6. Step 6: Final answer
    x = 45,499.80

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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.