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Finding the Fourth Proportional to 93,511.20, 140,266.80 and 26,945.40

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Solution

The fourth proportional to 93,511.20, 140,266.80 and 26,945.40 is: 40,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,511.20 : 140,266.80 = 26,945.40 : x
  2. Step 2: Convert to fraction form
    93,511.20/140,266.80 = 26,945.40/x
  3. Step 3: Cross multiply
    93,511.20x = 140,266.80 × 26,945.40
  4. Step 4: Simplify right side
    93,511.20x = 3,779,545,032.72
  5. Step 5: Solve for x
    x = 3,779,545,032.72/93,511.20
  6. Step 6: Final answer
    x = 40,418.10

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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.