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Finding the Fourth Proportional to 266,875.88, 368,285.42 and 146,015.42

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Solution

The fourth proportional to 266,875.88, 368,285.42 and 146,015.42 is: 201,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,875.88 : 368,285.42 = 146,015.42 : x
  2. Step 2: Convert to fraction form
    266,875.88/368,285.42 = 146,015.42/x
  3. Step 3: Cross multiply
    266,875.88x = 368,285.42 × 146,015.42
  4. Step 4: Simplify right side
    266,875.88x = 53,775,348,804.79
  5. Step 5: Solve for x
    x = 53,775,348,804.79/266,875.88
  6. Step 6: Final answer
    x = 201,499.48

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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.