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Finding the Fourth Proportional to 158,392.83, 218,582.10 and 94,730.63

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Solution

The fourth proportional to 158,392.83, 218,582.10 and 94,730.63 is: 130,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,392.83 : 218,582.10 = 94,730.63 : x
  2. Step 2: Convert to fraction form
    158,392.83/218,582.10 = 94,730.63/x
  3. Step 3: Cross multiply
    158,392.83x = 218,582.10 × 94,730.63
  4. Step 4: Simplify right side
    158,392.83x = 20,706,420,039.72
  5. Step 5: Solve for x
    x = 20,706,420,039.72/158,392.83
  6. Step 6: Final answer
    x = 130,728.27

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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.