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Finding the Fourth Proportional to 235,700.69, 325,274.28 and 133,730.45

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Solution

The fourth proportional to 235,700.69, 325,274.28 and 133,730.45 is: 184,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,700.69 : 325,274.28 = 133,730.45 : x
  2. Step 2: Convert to fraction form
    235,700.69/325,274.28 = 133,730.45/x
  3. Step 3: Cross multiply
    235,700.69x = 325,274.28 × 133,730.45
  4. Step 4: Simplify right side
    235,700.69x = 43,499,074,211.45
  5. Step 5: Solve for x
    x = 43,499,074,211.45/235,700.69
  6. Step 6: Final answer
    x = 184,552.18

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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.