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Finding the Fourth Proportional to 121,463.55, 182,276.67 and 42,577.77

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Solution

The fourth proportional to 121,463.55, 182,276.67 and 42,577.77 is: 63,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,463.55 : 182,276.67 = 42,577.77 : x
  2. Step 2: Convert to fraction form
    121,463.55/182,276.67 = 42,577.77/x
  3. Step 3: Cross multiply
    121,463.55x = 182,276.67 × 42,577.77
  4. Step 4: Simplify right side
    121,463.55x = 7,760,934,131.63
  5. Step 5: Solve for x
    x = 7,760,934,131.63/121,463.55
  6. Step 6: Final answer
    x = 63,895.17

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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.