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Finding the Fourth Proportional to 190,596.66, 263,016.66 and 105,721.62

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Solution

The fourth proportional to 190,596.66, 263,016.66 and 105,721.62 is: 145,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,596.66 : 263,016.66 = 105,721.62 : x
  2. Step 2: Convert to fraction form
    190,596.66/263,016.66 = 105,721.62/x
  3. Step 3: Cross multiply
    190,596.66x = 263,016.66 × 105,721.62
  4. Step 4: Simplify right side
    190,596.66x = 27,806,547,382.19
  5. Step 5: Solve for x
    x = 27,806,547,382.19/190,596.66
  6. Step 6: Final answer
    x = 145,892.10

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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.