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Finding the Fourth Proportional to 88,720.95, 132,970.69 and 44,360.40

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Solution

The fourth proportional to 88,720.95, 132,970.69 and 44,360.40 is: 66,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.95 : 132,970.69 = 44,360.40 : x
  2. Step 2: Convert to fraction form
    88,720.95/132,970.69 = 44,360.40/x
  3. Step 3: Cross multiply
    88,720.95x = 132,970.69 × 44,360.40
  4. Step 4: Simplify right side
    88,720.95x = 5,898,632,996.68
  5. Step 5: Solve for x
    x = 5,898,632,996.68/88,720.95
  6. Step 6: Final answer
    x = 66,485.23

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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.