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Finding the Fourth Proportional to 266,843.04, 368,239.32 and 145,981.32

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Solution

The fourth proportional to 266,843.04, 368,239.32 and 145,981.32 is: 201,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,843.04 : 368,239.32 = 145,981.32 : x
  2. Step 2: Convert to fraction form
    266,843.04/368,239.32 = 145,981.32/x
  3. Step 3: Cross multiply
    266,843.04x = 368,239.32 × 145,981.32
  4. Step 4: Simplify right side
    266,843.04x = 53,756,062,009.50
  5. Step 5: Solve for x
    x = 53,756,062,009.50/266,843.04
  6. Step 6: Final answer
    x = 201,451.99

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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.