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Finding the Fourth Proportional to 235,833.93, 325,560.51 and 139,007.25

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Solution

The fourth proportional to 235,833.93, 325,560.51 and 139,007.25 is: 191,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,833.93 : 325,560.51 = 139,007.25 : x
  2. Step 2: Convert to fraction form
    235,833.93/325,560.51 = 139,007.25/x
  3. Step 3: Cross multiply
    235,833.93x = 325,560.51 × 139,007.25
  4. Step 4: Simplify right side
    235,833.93x = 45,255,271,203.70
  5. Step 5: Solve for x
    x = 45,255,271,203.70/235,833.93
  6. Step 6: Final answer
    x = 191,894.66

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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.