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Finding the Fourth Proportional to 235,101.70, 324,539.65 and 158,724.24

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Solution

The fourth proportional to 235,101.70, 324,539.65 and 158,724.24 is: 219,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,101.70 : 324,539.65 = 158,724.24 : x
  2. Step 2: Convert to fraction form
    235,101.70/324,539.65 = 158,724.24/x
  3. Step 3: Cross multiply
    235,101.70x = 324,539.65 × 158,724.24
  4. Step 4: Simplify right side
    235,101.70x = 51,512,310,549.45
  5. Step 5: Solve for x
    x = 51,512,310,549.45/235,101.70
  6. Step 6: Final answer
    x = 219,106.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.