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Finding the Fourth Proportional to 144,888.84, 199,946.94 and 80,362.62

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Solution

The fourth proportional to 144,888.84, 199,946.94 and 80,362.62 is: 110,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,888.84 : 199,946.94 = 80,362.62 : x
  2. Step 2: Convert to fraction form
    144,888.84/199,946.94 = 80,362.62/x
  3. Step 3: Cross multiply
    144,888.84x = 199,946.94 × 80,362.62
  4. Step 4: Simplify right side
    144,888.84x = 16,068,259,959.38
  5. Step 5: Solve for x
    x = 16,068,259,959.38/144,888.84
  6. Step 6: Final answer
    x = 110,900.60

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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.