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Finding the Fourth Proportional to 93,950.55, 129,651.59 and 51,511.82

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Solution

The fourth proportional to 93,950.55, 129,651.59 and 51,511.82 is: 71,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,950.55 : 129,651.59 = 51,511.82 : x
  2. Step 2: Convert to fraction form
    93,950.55/129,651.59 = 51,511.82/x
  3. Step 3: Cross multiply
    93,950.55x = 129,651.59 × 51,511.82
  4. Step 4: Simplify right side
    93,950.55x = 6,678,588,460.98
  5. Step 5: Solve for x
    x = 6,678,588,460.98/93,950.55
  6. Step 6: Final answer
    x = 71,086.21

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1.5x scale

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.