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Finding the Fourth Proportional to 93,670.44, 129,269.94 and 55,451.93

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Solution

The fourth proportional to 93,670.44, 129,269.94 and 55,451.93 is: 76,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,670.44 : 129,269.94 = 55,451.93 : x
  2. Step 2: Convert to fraction form
    93,670.44/129,269.94 = 55,451.93/x
  3. Step 3: Cross multiply
    93,670.44x = 129,269.94 × 55,451.93
  4. Step 4: Simplify right side
    93,670.44x = 7,168,267,663.98
  5. Step 5: Solve for x
    x = 7,168,267,663.98/93,670.44
  6. Step 6: Final answer
    x = 76,526.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.