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Finding the Fourth Proportional to 182,775.99, 274,168.70 and 86,690.76

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Solution

The fourth proportional to 182,775.99, 274,168.70 and 86,690.76 is: 130,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,775.99 : 274,168.70 = 86,690.76 : x
  2. Step 2: Convert to fraction form
    182,775.99/274,168.70 = 86,690.76/x
  3. Step 3: Cross multiply
    182,775.99x = 274,168.70 × 86,690.76
  4. Step 4: Simplify right side
    182,775.99x = 23,767,892,537.76
  5. Step 5: Solve for x
    x = 23,767,892,537.76/182,775.99
  6. Step 6: Final answer
    x = 130,038.37

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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.