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Finding the Fourth Proportional to 113,504.80, 170,257.20 and 101,869.60

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Solution

The fourth proportional to 113,504.80, 170,257.20 and 101,869.60 is: 152,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,504.80 : 170,257.20 = 101,869.60 : x
  2. Step 2: Convert to fraction form
    113,504.80/170,257.20 = 101,869.60/x
  3. Step 3: Cross multiply
    113,504.80x = 170,257.20 × 101,869.60
  4. Step 4: Simplify right side
    113,504.80x = 17,344,032,861.12
  5. Step 5: Solve for x
    x = 17,344,032,861.12/113,504.80
  6. Step 6: Final answer
    x = 152,804.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.