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Finding the Fourth Proportional to 170,885.50, 235,785.94 and 99,228.44

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Solution

The fourth proportional to 170,885.50, 235,785.94 and 99,228.44 is: 136,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,885.50 : 235,785.94 = 99,228.44 : x
  2. Step 2: Convert to fraction form
    170,885.50/235,785.94 = 99,228.44/x
  3. Step 3: Cross multiply
    170,885.50x = 235,785.94 × 99,228.44
  4. Step 4: Simplify right side
    170,885.50x = 23,396,671,341.53
  5. Step 5: Solve for x
    x = 23,396,671,341.53/170,885.50
  6. Step 6: Final answer
    x = 136,914.32

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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.