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Finding the Fourth Proportional to 163,586.71, 225,750.01 and 91,967.32

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Solution

The fourth proportional to 163,586.71, 225,750.01 and 91,967.32 is: 126,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,586.71 : 225,750.01 = 91,967.32 : x
  2. Step 2: Convert to fraction form
    163,586.71/225,750.01 = 91,967.32/x
  3. Step 3: Cross multiply
    163,586.71x = 225,750.01 × 91,967.32
  4. Step 4: Simplify right side
    163,586.71x = 20,761,622,615.38
  5. Step 5: Solve for x
    x = 20,761,622,615.38/163,586.71
  6. Step 6: Final answer
    x = 126,915.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.