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Finding the Fourth Proportional to 109,360.50, 150,917.52 and 59,059.50

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Solution

The fourth proportional to 109,360.50, 150,917.52 and 59,059.50 is: 81,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,360.50 : 150,917.52 = 59,059.50 : x
  2. Step 2: Convert to fraction form
    109,360.50/150,917.52 = 59,059.50/x
  3. Step 3: Cross multiply
    109,360.50x = 150,917.52 × 59,059.50
  4. Step 4: Simplify right side
    109,360.50x = 8,913,113,272.44
  5. Step 5: Solve for x
    x = 8,913,113,272.44/109,360.50
  6. Step 6: Final answer
    x = 81,502.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.