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Finding the Fourth Proportional to 93,603.70, 129,173.43 and 51,162.94

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Solution

The fourth proportional to 93,603.70, 129,173.43 and 51,162.94 is: 70,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,603.70 : 129,173.43 = 51,162.94 : x
  2. Step 2: Convert to fraction form
    93,603.70/129,173.43 = 51,162.94/x
  3. Step 3: Cross multiply
    93,603.70x = 129,173.43 × 51,162.94
  4. Step 4: Simplify right side
    93,603.70x = 6,608,892,448.68
  5. Step 5: Solve for x
    x = 6,608,892,448.68/93,603.70
  6. Step 6: Final answer
    x = 70,605.03

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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.