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Finding the Fourth Proportional to 201,359.92, 277,870.80 and 110,715.80

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Solution

The fourth proportional to 201,359.92, 277,870.80 and 110,715.80 is: 152,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,359.92 : 277,870.80 = 110,715.80 : x
  2. Step 2: Convert to fraction form
    201,359.92/277,870.80 = 110,715.80/x
  3. Step 3: Cross multiply
    201,359.92x = 277,870.80 × 110,715.80
  4. Step 4: Simplify right side
    201,359.92x = 30,764,687,918.64
  5. Step 5: Solve for x
    x = 30,764,687,918.64/201,359.92
  6. Step 6: Final answer
    x = 152,784.57

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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.