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Finding the Fourth Proportional to 247,239.16, 370,969.26 and 114,048.16

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Solution

The fourth proportional to 247,239.16, 370,969.26 and 114,048.16 is: 171,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,239.16 : 370,969.26 = 114,048.16 : x
  2. Step 2: Convert to fraction form
    247,239.16/370,969.26 = 114,048.16/x
  3. Step 3: Cross multiply
    247,239.16x = 370,969.26 × 114,048.16
  4. Step 4: Simplify right side
    247,239.16x = 42,308,361,519.56
  5. Step 5: Solve for x
    x = 42,308,361,519.56/247,239.16
  6. Step 6: Final answer
    x = 171,123.22

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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.