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Finding the Fourth Proportional to 235,378.08, 324,797.48 and 139,866.32

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Solution

The fourth proportional to 235,378.08, 324,797.48 and 139,866.32 is: 193,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,378.08 : 324,797.48 = 139,866.32 : x
  2. Step 2: Convert to fraction form
    235,378.08/324,797.48 = 139,866.32/x
  3. Step 3: Cross multiply
    235,378.08x = 324,797.48 × 139,866.32
  4. Step 4: Simplify right side
    235,378.08x = 45,428,228,272.87
  5. Step 5: Solve for x
    x = 45,428,228,272.87/235,378.08
  6. Step 6: Final answer
    x = 193,001.10

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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.