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Finding the Fourth Proportional to 88,392.59, 121,994.63 and 49,634.76

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Solution

The fourth proportional to 88,392.59, 121,994.63 and 49,634.76 is: 68,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,392.59 : 121,994.63 = 49,634.76 : x
  2. Step 2: Convert to fraction form
    88,392.59/121,994.63 = 49,634.76/x
  3. Step 3: Cross multiply
    88,392.59x = 121,994.63 × 49,634.76
  4. Step 4: Simplify right side
    88,392.59x = 6,055,174,484.27
  5. Step 5: Solve for x
    x = 6,055,174,484.27/88,392.59
  6. Step 6: Final answer
    x = 68,503.19

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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.