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Finding the Fourth Proportional to 266,784.30, 368,148.60 and 145,902.06

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Solution

The fourth proportional to 266,784.30, 368,148.60 and 145,902.06 is: 201,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,784.30 : 368,148.60 = 145,902.06 : x
  2. Step 2: Convert to fraction form
    266,784.30/368,148.60 = 145,902.06/x
  3. Step 3: Cross multiply
    266,784.30x = 368,148.60 × 145,902.06
  4. Step 4: Simplify right side
    266,784.30x = 53,713,639,126.12
  5. Step 5: Solve for x
    x = 53,713,639,126.12/266,784.30
  6. Step 6: Final answer
    x = 201,337.33

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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.