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Finding the Fourth Proportional to 163,753.60, 245,047.20 and 113,598.40

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Solution

The fourth proportional to 163,753.60, 245,047.20 and 113,598.40 is: 169,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,753.60 : 245,047.20 = 113,598.40 : x
  2. Step 2: Convert to fraction form
    163,753.60/245,047.20 = 113,598.40/x
  3. Step 3: Cross multiply
    163,753.60x = 245,047.20 × 113,598.40
  4. Step 4: Simplify right side
    163,753.60x = 27,836,969,844.48
  5. Step 5: Solve for x
    x = 27,836,969,844.48/163,753.60
  6. Step 6: Final answer
    x = 169,993.03

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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.