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Finding the Fourth Proportional to 187,037.92, 257,969.46 and 119,065.96

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Solution

The fourth proportional to 187,037.92, 257,969.46 and 119,065.96 is: 164,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,037.92 : 257,969.46 = 119,065.96 : x
  2. Step 2: Convert to fraction form
    187,037.92/257,969.46 = 119,065.96/x
  3. Step 3: Cross multiply
    187,037.92x = 257,969.46 × 119,065.96
  4. Step 4: Simplify right side
    187,037.92x = 30,715,381,405.58
  5. Step 5: Solve for x
    x = 30,715,381,405.58/187,037.92
  6. Step 6: Final answer
    x = 164,220.08

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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.