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Finding the Fourth Proportional to 235,528.40, 352,831.80 and 141,755.60

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Solution

The fourth proportional to 235,528.40, 352,831.80 and 141,755.60 is: 212,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,528.40 : 352,831.80 = 141,755.60 : x
  2. Step 2: Convert to fraction form
    235,528.40/352,831.80 = 141,755.60/x
  3. Step 3: Cross multiply
    235,528.40x = 352,831.80 × 141,755.60
  4. Step 4: Simplify right side
    235,528.40x = 50,015,883,508.08
  5. Step 5: Solve for x
    x = 50,015,883,508.08/235,528.40
  6. Step 6: Final answer
    x = 212,356.06

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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.