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Finding the Fourth Proportional to 163,205.59, 244,729.65 and 68,410.32

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Solution

The fourth proportional to 163,205.59, 244,729.65 and 68,410.32 is: 102,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,205.59 : 244,729.65 = 68,410.32 : x
  2. Step 2: Convert to fraction form
    163,205.59/244,729.65 = 68,410.32/x
  3. Step 3: Cross multiply
    163,205.59x = 244,729.65 × 68,410.32
  4. Step 4: Simplify right side
    163,205.59x = 16,742,034,814.03
  5. Step 5: Solve for x
    x = 16,742,034,814.03/163,205.59
  6. Step 6: Final answer
    x = 102,582.48

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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.