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Finding the Fourth Proportional to 125,575.84, 188,365.32 and 36,831.18

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Solution

The fourth proportional to 125,575.84, 188,365.32 and 36,831.18 is: 55,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,575.84 : 188,365.32 = 36,831.18 : x
  2. Step 2: Convert to fraction form
    125,575.84/188,365.32 = 36,831.18/x
  3. Step 3: Cross multiply
    125,575.84x = 188,365.32 × 36,831.18
  4. Step 4: Simplify right side
    125,575.84x = 6,937,717,286.86
  5. Step 5: Solve for x
    x = 6,937,717,286.86/125,575.84
  6. Step 6: Final answer
    x = 55,247.23

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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.