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Finding the Fourth Proportional to 320,156.01, 480,261.29 and 95,501.97

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Solution

The fourth proportional to 320,156.01, 480,261.29 and 95,501.97 is: 143,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,156.01 : 480,261.29 = 95,501.97 : x
  2. Step 2: Convert to fraction form
    320,156.01/480,261.29 = 95,501.97/x
  3. Step 3: Cross multiply
    320,156.01x = 480,261.29 × 95,501.97
  4. Step 4: Simplify right side
    320,156.01x = 45,865,898,832.23
  5. Step 5: Solve for x
    x = 45,865,898,832.23/320,156.01
  6. Step 6: Final answer
    x = 143,261.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.