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Finding the Fourth Proportional to 109,368.92, 163,925.40 and 50,210.30

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Solution

The fourth proportional to 109,368.92, 163,925.40 and 50,210.30 is: 75,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,368.92 : 163,925.40 = 50,210.30 : x
  2. Step 2: Convert to fraction form
    109,368.92/163,925.40 = 50,210.30/x
  3. Step 3: Cross multiply
    109,368.92x = 163,925.40 × 50,210.30
  4. Step 4: Simplify right side
    109,368.92x = 8,230,743,511.62
  5. Step 5: Solve for x
    x = 8,230,743,511.62/109,368.92
  6. Step 6: Final answer
    x = 75,256.70

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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.