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Finding the Fourth Proportional to 92,852.58, 127,820.88 and 81,502.04

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Solution

The fourth proportional to 92,852.58, 127,820.88 and 81,502.04 is: 112,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,852.58 : 127,820.88 = 81,502.04 : x
  2. Step 2: Convert to fraction form
    92,852.58/127,820.88 = 81,502.04/x
  3. Step 3: Cross multiply
    92,852.58x = 127,820.88 × 81,502.04
  4. Step 4: Simplify right side
    92,852.58x = 10,417,662,474.60
  5. Step 5: Solve for x
    x = 10,417,662,474.60/92,852.58
  6. Step 6: Final answer
    x = 112,195.72

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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.