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Finding the Fourth Proportional to 238,737.60, 329,441.76 and 136,763.46

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Solution

The fourth proportional to 238,737.60, 329,441.76 and 136,763.46 is: 188,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,737.60 : 329,441.76 = 136,763.46 : x
  2. Step 2: Convert to fraction form
    238,737.60/329,441.76 = 136,763.46/x
  3. Step 3: Cross multiply
    238,737.60x = 329,441.76 × 136,763.46
  4. Step 4: Simplify right side
    238,737.60x = 45,055,594,966.09
  5. Step 5: Solve for x
    x = 45,055,594,966.09/238,737.60
  6. Step 6: Final answer
    x = 188,724.34

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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.