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Finding the Fourth Proportional to 93,605, 129,174.84 and 51,163.52

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Solution

The fourth proportional to 93,605, 129,174.84 and 51,163.52 is: 70,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,605 : 129,174.84 = 51,163.52 : x
  2. Step 2: Convert to fraction form
    93,605/129,174.84 = 51,163.52/x
  3. Step 3: Cross multiply
    93,605x = 129,174.84 × 51,163.52
  4. Step 4: Simplify right side
    93,605x = 6,609,039,509.84
  5. Step 5: Solve for x
    x = 6,609,039,509.84/93,605
  6. Step 6: Final answer
    x = 70,605.62

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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.