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Finding the Fourth Proportional to 334,483.98, 501,597.42 and 121,189.20

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Solution

The fourth proportional to 334,483.98, 501,597.42 and 121,189.20 is: 181,737.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,483.98 : 501,597.42 = 121,189.20 : x
  2. Step 2: Convert to fraction form
    334,483.98/501,597.42 = 121,189.20/x
  3. Step 3: Cross multiply
    334,483.98x = 501,597.42 × 121,189.20
  4. Step 4: Simplify right side
    334,483.98x = 60,788,190,051.86
  5. Step 5: Solve for x
    x = 60,788,190,051.86/334,483.98
  6. Step 6: Final answer
    x = 181,737.22

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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.