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Finding the Fourth Proportional to 265,893.84, 366,934.64 and 145,037.76

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Solution

The fourth proportional to 265,893.84, 366,934.64 and 145,037.76 is: 200,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,893.84 : 366,934.64 = 145,037.76 : x
  2. Step 2: Convert to fraction form
    265,893.84/366,934.64 = 145,037.76/x
  3. Step 3: Cross multiply
    265,893.84x = 366,934.64 × 145,037.76
  4. Step 4: Simplify right side
    265,893.84x = 53,219,378,252.01
  5. Step 5: Solve for x
    x = 53,219,378,252.01/265,893.84
  6. Step 6: Final answer
    x = 200,152.73

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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.