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Finding the Fourth Proportional to 182,750.10, 274,125.15 and 77,555.40

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Solution

The fourth proportional to 182,750.10, 274,125.15 and 77,555.40 is: 116,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,750.10 : 274,125.15 = 77,555.40 : x
  2. Step 2: Convert to fraction form
    182,750.10/274,125.15 = 77,555.40/x
  3. Step 3: Cross multiply
    182,750.10x = 274,125.15 × 77,555.40
  4. Step 4: Simplify right side
    182,750.10x = 21,259,885,658.31
  5. Step 5: Solve for x
    x = 21,259,885,658.31/182,750.10
  6. Step 6: Final answer
    x = 116,333.10

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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.