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Finding the Fourth Proportional to 163,967.59, 245,867.32 and 75,143.95

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Solution

The fourth proportional to 163,967.59, 245,867.32 and 75,143.95 is: 112,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,967.59 : 245,867.32 = 75,143.95 : x
  2. Step 2: Convert to fraction form
    163,967.59/245,867.32 = 75,143.95/x
  3. Step 3: Cross multiply
    163,967.59x = 245,867.32 × 75,143.95
  4. Step 4: Simplify right side
    163,967.59x = 18,475,442,674.32
  5. Step 5: Solve for x
    x = 18,475,442,674.32/163,967.59
  6. Step 6: Final answer
    x = 112,677.40

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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.