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Finding the Fourth Proportional to 225,950.48, 311,817.40 and 123,975.92

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Solution

The fourth proportional to 225,950.48, 311,817.40 and 123,975.92 is: 171,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,950.48 : 311,817.40 = 123,975.92 : x
  2. Step 2: Convert to fraction form
    225,950.48/311,817.40 = 123,975.92/x
  3. Step 3: Cross multiply
    225,950.48x = 311,817.40 × 123,975.92
  4. Step 4: Simplify right side
    225,950.48x = 38,657,849,037.01
  5. Step 5: Solve for x
    x = 38,657,849,037.01/225,950.48
  6. Step 6: Final answer
    x = 171,089.92

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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.