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Finding the Fourth Proportional to 113,539.80, 170,309.70 and 101,904.60

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Solution

The fourth proportional to 113,539.80, 170,309.70 and 101,904.60 is: 152,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,539.80 : 170,309.70 = 101,904.60 : x
  2. Step 2: Convert to fraction form
    113,539.80/170,309.70 = 101,904.60/x
  3. Step 3: Cross multiply
    113,539.80x = 170,309.70 × 101,904.60
  4. Step 4: Simplify right side
    113,539.80x = 17,355,341,854.62
  5. Step 5: Solve for x
    x = 17,355,341,854.62/113,539.80
  6. Step 6: Final answer
    x = 152,856.90

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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.