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Finding the Fourth Proportional to 235,399.75, 324,746.74 and 156,839.06

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Solution

The fourth proportional to 235,399.75, 324,746.74 and 156,839.06 is: 216,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,399.75 : 324,746.74 = 156,839.06 : x
  2. Step 2: Convert to fraction form
    235,399.75/324,746.74 = 156,839.06/x
  3. Step 3: Cross multiply
    235,399.75x = 324,746.74 × 156,839.06
  4. Step 4: Simplify right side
    235,399.75x = 50,932,973,439.66
  5. Step 5: Solve for x
    x = 50,932,973,439.66/235,399.75
  6. Step 6: Final answer
    x = 216,368.00

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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.