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Finding the Fourth Proportional to 266,892.90, 368,308.80 and 146,032.80

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Solution

The fourth proportional to 266,892.90, 368,308.80 and 146,032.80 is: 201,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,892.90 : 368,308.80 = 146,032.80 : x
  2. Step 2: Convert to fraction form
    266,892.90/368,308.80 = 146,032.80/x
  3. Step 3: Cross multiply
    266,892.90x = 368,308.80 × 146,032.80
  4. Step 4: Simplify right side
    266,892.90x = 53,785,165,328.64
  5. Step 5: Solve for x
    x = 53,785,165,328.64/266,892.90
  6. Step 6: Final answer
    x = 201,523.40

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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.