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Finding the Fourth Proportional to 163,038.80, 244,558.20 and 109,894.70

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Solution

The fourth proportional to 163,038.80, 244,558.20 and 109,894.70 is: 164,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,038.80 : 244,558.20 = 109,894.70 : x
  2. Step 2: Convert to fraction form
    163,038.80/244,558.20 = 109,894.70/x
  3. Step 3: Cross multiply
    163,038.80x = 244,558.20 × 109,894.70
  4. Step 4: Simplify right side
    163,038.80x = 26,875,650,021.54
  5. Step 5: Solve for x
    x = 26,875,650,021.54/163,038.80
  6. Step 6: Final answer
    x = 164,842.05

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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.