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Finding the Fourth Proportional to 72,360.88, 99,879.69 and 44,080.54

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Solution

The fourth proportional to 72,360.88, 99,879.69 and 44,080.54 is: 60,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,360.88 : 99,879.69 = 44,080.54 : x
  2. Step 2: Convert to fraction form
    72,360.88/99,879.69 = 44,080.54/x
  3. Step 3: Cross multiply
    72,360.88x = 99,879.69 × 44,080.54
  4. Step 4: Simplify right side
    72,360.88x = 4,402,750,670.23
  5. Step 5: Solve for x
    x = 4,402,750,670.23/72,360.88
  6. Step 6: Final answer
    x = 60,844.35

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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.