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Finding the Fourth Proportional to 88,004.88, 121,447.36 and 47,718.88

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Solution

The fourth proportional to 88,004.88, 121,447.36 and 47,718.88 is: 65,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,004.88 : 121,447.36 = 47,718.88 : x
  2. Step 2: Convert to fraction form
    88,004.88/121,447.36 = 47,718.88/x
  3. Step 3: Cross multiply
    88,004.88x = 121,447.36 × 47,718.88
  4. Step 4: Simplify right side
    88,004.88x = 5,795,331,998.16
  5. Step 5: Solve for x
    x = 5,795,331,998.16/88,004.88
  6. Step 6: Final answer
    x = 65,852.39

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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.