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Finding the Fourth Proportional to 242,327.90, 363,643.43 and 92,580.98

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Solution

The fourth proportional to 242,327.90, 363,643.43 and 92,580.98 is: 138,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,327.90 : 363,643.43 = 92,580.98 : x
  2. Step 2: Convert to fraction form
    242,327.90/363,643.43 = 92,580.98/x
  3. Step 3: Cross multiply
    242,327.90x = 363,643.43 × 92,580.98
  4. Step 4: Simplify right side
    242,327.90x = 33,666,462,838.84
  5. Step 5: Solve for x
    x = 33,666,462,838.84/242,327.90
  6. Step 6: Final answer
    x = 138,929.37

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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.