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Finding the Fourth Proportional to 158,392.92, 218,582.20 and 94,730.68

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Solution

The fourth proportional to 158,392.92, 218,582.20 and 94,730.68 is: 130,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,392.92 : 218,582.20 = 94,730.68 : x
  2. Step 2: Convert to fraction form
    158,392.92/218,582.20 = 94,730.68/x
  3. Step 3: Cross multiply
    158,392.92x = 218,582.20 × 94,730.68
  4. Step 4: Simplify right side
    158,392.92x = 20,706,440,441.90
  5. Step 5: Solve for x
    x = 20,706,440,441.90/158,392.92
  6. Step 6: Final answer
    x = 130,728.32

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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.