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Finding the Fourth Proportional to 163,486.60, 244,905.90 and 144,003.40

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Solution

The fourth proportional to 163,486.60, 244,905.90 and 144,003.40 is: 215,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,486.60 : 244,905.90 = 144,003.40 : x
  2. Step 2: Convert to fraction form
    163,486.60/244,905.90 = 144,003.40/x
  3. Step 3: Cross multiply
    163,486.60x = 244,905.90 × 144,003.40
  4. Step 4: Simplify right side
    163,486.60x = 35,267,282,280.06
  5. Step 5: Solve for x
    x = 35,267,282,280.06/163,486.60
  6. Step 6: Final answer
    x = 215,719.71

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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.