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Finding the Fourth Proportional to 352,847.51, 529,270.46 and 153,142.01

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Solution

The fourth proportional to 352,847.51, 529,270.46 and 153,142.01 is: 229,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,847.51 : 529,270.46 = 153,142.01 : x
  2. Step 2: Convert to fraction form
    352,847.51/529,270.46 = 153,142.01/x
  3. Step 3: Cross multiply
    352,847.51x = 529,270.46 × 153,142.01
  4. Step 4: Simplify right side
    352,847.51x = 81,053,541,312.31
  5. Step 5: Solve for x
    x = 81,053,541,312.31/352,847.51
  6. Step 6: Final answer
    x = 229,712.66

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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.