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Finding the Fourth Proportional to 163,723.60, 245,585.40 and 144,040.60

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Solution

The fourth proportional to 163,723.60, 245,585.40 and 144,040.60 is: 216,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,723.60 : 245,585.40 = 144,040.60 : x
  2. Step 2: Convert to fraction form
    163,723.60/245,585.40 = 144,040.60/x
  3. Step 3: Cross multiply
    163,723.60x = 245,585.40 × 144,040.60
  4. Step 4: Simplify right side
    163,723.60x = 35,374,268,367.24
  5. Step 5: Solve for x
    x = 35,374,268,367.24/163,723.60
  6. Step 6: Final answer
    x = 216,060.90

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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.