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Finding the Fourth Proportional to 247,015.58, 340,881.58 and 133,838.34

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Solution

The fourth proportional to 247,015.58, 340,881.58 and 133,838.34 is: 184,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,015.58 : 340,881.58 = 133,838.34 : x
  2. Step 2: Convert to fraction form
    247,015.58/340,881.58 = 133,838.34/x
  3. Step 3: Cross multiply
    247,015.58x = 340,881.58 × 133,838.34
  4. Step 4: Simplify right side
    247,015.58x = 45,623,024,803.78
  5. Step 5: Solve for x
    x = 45,623,024,803.78/247,015.58
  6. Step 6: Final answer
    x = 184,696.95

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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.