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Finding the Fourth Proportional to 273,925.29, 378,016.07 and 153,066.69

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Solution

The fourth proportional to 273,925.29, 378,016.07 and 153,066.69 is: 211,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,925.29 : 378,016.07 = 153,066.69 : x
  2. Step 2: Convert to fraction form
    273,925.29/378,016.07 = 153,066.69/x
  3. Step 3: Cross multiply
    273,925.29x = 378,016.07 × 153,066.69
  4. Step 4: Simplify right side
    273,925.29x = 57,861,668,601.71
  5. Step 5: Solve for x
    x = 57,861,668,601.71/273,925.29
  6. Step 6: Final answer
    x = 211,231.57

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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.