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Finding the Fourth Proportional to 109,357.40, 163,598.70 and 94,728.80

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Solution

The fourth proportional to 109,357.40, 163,598.70 and 94,728.80 is: 141,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,357.40 : 163,598.70 = 94,728.80 : x
  2. Step 2: Convert to fraction form
    109,357.40/163,598.70 = 94,728.80/x
  3. Step 3: Cross multiply
    109,357.40x = 163,598.70 × 94,728.80
  4. Step 4: Simplify right side
    109,357.40x = 15,497,508,532.56
  5. Step 5: Solve for x
    x = 15,497,508,532.56/109,357.40
  6. Step 6: Final answer
    x = 141,714.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.