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Finding the Fourth Proportional to 162,955.44, 224,877.80 and 91,335.48

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Solution

The fourth proportional to 162,955.44, 224,877.80 and 91,335.48 is: 126,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,955.44 : 224,877.80 = 91,335.48 : x
  2. Step 2: Convert to fraction form
    162,955.44/224,877.80 = 91,335.48/x
  3. Step 3: Cross multiply
    162,955.44x = 224,877.80 × 91,335.48
  4. Step 4: Simplify right side
    162,955.44x = 20,539,321,804.34
  5. Step 5: Solve for x
    x = 20,539,321,804.34/162,955.44
  6. Step 6: Final answer
    x = 126,042.57

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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.