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Finding the Fourth Proportional to 117,209.96, 175,812.50 and 28,463.92

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Solution

The fourth proportional to 117,209.96, 175,812.50 and 28,463.92 is: 42,695.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,209.96 : 175,812.50 = 28,463.92 : x
  2. Step 2: Convert to fraction form
    117,209.96/175,812.50 = 28,463.92/x
  3. Step 3: Cross multiply
    117,209.96x = 175,812.50 × 28,463.92
  4. Step 4: Simplify right side
    117,209.96x = 5,004,312,935
  5. Step 5: Solve for x
    x = 5,004,312,935/117,209.96
  6. Step 6: Final answer
    x = 42,695.29

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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.