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Finding the Fourth Proportional to 125,538.98, 188,319.53 and 35,582.90

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Solution

The fourth proportional to 125,538.98, 188,319.53 and 35,582.90 is: 53,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,538.98 : 188,319.53 = 35,582.90 : x
  2. Step 2: Convert to fraction form
    125,538.98/188,319.53 = 35,582.90/x
  3. Step 3: Cross multiply
    125,538.98x = 188,319.53 × 35,582.90
  4. Step 4: Simplify right side
    125,538.98x = 6,700,954,151.40
  5. Step 5: Solve for x
    x = 6,700,954,151.40/125,538.98
  6. Step 6: Final answer
    x = 53,377.48

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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.