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Finding the Fourth Proportional to 103,652.95, 155,167.94 and 92,825.73

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Solution

The fourth proportional to 103,652.95, 155,167.94 and 92,825.73 is: 138,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,652.95 : 155,167.94 = 92,825.73 : x
  2. Step 2: Convert to fraction form
    103,652.95/155,167.94 = 92,825.73/x
  3. Step 3: Cross multiply
    103,652.95x = 155,167.94 × 92,825.73
  4. Step 4: Simplify right side
    103,652.95x = 14,403,577,303.10
  5. Step 5: Solve for x
    x = 14,403,577,303.10/103,652.95
  6. Step 6: Final answer
    x = 138,959.65

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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.