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Finding the Fourth Proportional to 235,701.69, 325,275.66 and 133,731.45

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Solution

The fourth proportional to 235,701.69, 325,275.66 and 133,731.45 is: 184,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,701.69 : 325,275.66 = 133,731.45 : x
  2. Step 2: Convert to fraction form
    235,701.69/325,275.66 = 133,731.45/x
  3. Step 3: Cross multiply
    235,701.69x = 325,275.66 × 133,731.45
  4. Step 4: Simplify right side
    235,701.69x = 43,499,585,661.51
  5. Step 5: Solve for x
    x = 43,499,585,661.51/235,701.69
  6. Step 6: Final answer
    x = 184,553.56

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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.