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Finding the Fourth Proportional to 325,569.94, 488,254.47 and 115,159.48

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Solution

The fourth proportional to 325,569.94, 488,254.47 and 115,159.48 is: 172,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,569.94 : 488,254.47 = 115,159.48 : x
  2. Step 2: Convert to fraction form
    325,569.94/488,254.47 = 115,159.48/x
  3. Step 3: Cross multiply
    325,569.94x = 488,254.47 × 115,159.48
  4. Step 4: Simplify right side
    325,569.94x = 56,227,130,872.88
  5. Step 5: Solve for x
    x = 56,227,130,872.88/325,569.94
  6. Step 6: Final answer
    x = 172,703.69

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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.