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Finding the Fourth Proportional to 235,833.16, 325,433.32 and 133,860.70

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Solution

The fourth proportional to 235,833.16, 325,433.32 and 133,860.70 is: 184,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,833.16 : 325,433.32 = 133,860.70 : x
  2. Step 2: Convert to fraction form
    235,833.16/325,433.32 = 133,860.70/x
  3. Step 3: Cross multiply
    235,833.16x = 325,433.32 × 133,860.70
  4. Step 4: Simplify right side
    235,833.16x = 43,562,732,018.52
  5. Step 5: Solve for x
    x = 43,562,732,018.52/235,833.16
  6. Step 6: Final answer
    x = 184,718.43

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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.