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Finding the Fourth Proportional to 114,707.24, 171,866.31 and 70,240.97

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Solution

The fourth proportional to 114,707.24, 171,866.31 and 70,240.97 is: 105,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,707.24 : 171,866.31 = 70,240.97 : x
  2. Step 2: Convert to fraction form
    114,707.24/171,866.31 = 70,240.97/x
  3. Step 3: Cross multiply
    114,707.24x = 171,866.31 × 70,240.97
  4. Step 4: Simplify right side
    114,707.24x = 12,072,056,490.98
  5. Step 5: Solve for x
    x = 12,072,056,490.98/114,707.24
  6. Step 6: Final answer
    x = 105,242.32

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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.