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Finding the Fourth Proportional to 187,783.68, 281,675.52 and 45,628.22

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Solution

The fourth proportional to 187,783.68, 281,675.52 and 45,628.22 is: 68,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,783.68 : 281,675.52 = 45,628.22 : x
  2. Step 2: Convert to fraction form
    187,783.68/281,675.52 = 45,628.22/x
  3. Step 3: Cross multiply
    187,783.68x = 281,675.52 × 45,628.22
  4. Step 4: Simplify right side
    187,783.68x = 12,852,353,185.29
  5. Step 5: Solve for x
    x = 12,852,353,185.29/187,783.68
  6. Step 6: Final answer
    x = 68,442.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.