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Finding the Fourth Proportional to 167,382.45, 251,978.59 and 152,485.31

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Solution

The fourth proportional to 167,382.45, 251,978.59 and 152,485.31 is: 229,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,382.45 : 251,978.59 = 152,485.31 : x
  2. Step 2: Convert to fraction form
    167,382.45/251,978.59 = 152,485.31/x
  3. Step 3: Cross multiply
    167,382.45x = 251,978.59 × 152,485.31
  4. Step 4: Simplify right side
    167,382.45x = 38,423,031,768.41
  5. Step 5: Solve for x
    x = 38,423,031,768.41/167,382.45
  6. Step 6: Final answer
    x = 229,552.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.