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Finding the Fourth Proportional to 125,632.60, 188,448.90 and 41,392.60

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Solution

The fourth proportional to 125,632.60, 188,448.90 and 41,392.60 is: 62,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,632.60 : 188,448.90 = 41,392.60 : x
  2. Step 2: Convert to fraction form
    125,632.60/188,448.90 = 41,392.60/x
  3. Step 3: Cross multiply
    125,632.60x = 188,448.90 × 41,392.60
  4. Step 4: Simplify right side
    125,632.60x = 7,800,389,938.14
  5. Step 5: Solve for x
    x = 7,800,389,938.14/125,632.60
  6. Step 6: Final answer
    x = 62,088.90

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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.