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Finding the Fourth Proportional to 93,770.83, 129,405.72 and 51,329.38

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Solution

The fourth proportional to 93,770.83, 129,405.72 and 51,329.38 is: 70,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,770.83 : 129,405.72 = 51,329.38 : x
  2. Step 2: Convert to fraction form
    93,770.83/129,405.72 = 51,329.38/x
  3. Step 3: Cross multiply
    93,770.83x = 129,405.72 × 51,329.38
  4. Step 4: Simplify right side
    93,770.83x = 6,642,315,376.05
  5. Step 5: Solve for x
    x = 6,642,315,376.05/93,770.83
  6. Step 6: Final answer
    x = 70,835.63

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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.