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Finding the Fourth Proportional to 187,265.80, 280,898.70 and 134,777.80

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Solution

The fourth proportional to 187,265.80, 280,898.70 and 134,777.80 is: 202,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,265.80 : 280,898.70 = 134,777.80 : x
  2. Step 2: Convert to fraction form
    187,265.80/280,898.70 = 134,777.80/x
  3. Step 3: Cross multiply
    187,265.80x = 280,898.70 × 134,777.80
  4. Step 4: Simplify right side
    187,265.80x = 37,858,908,808.86
  5. Step 5: Solve for x
    x = 37,858,908,808.86/187,265.80
  6. Step 6: Final answer
    x = 202,166.70

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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.