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Finding the Fourth Proportional to 93,493.70, 129,016.32 and 51,043.94

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Solution

The fourth proportional to 93,493.70, 129,016.32 and 51,043.94 is: 70,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,493.70 : 129,016.32 = 51,043.94 : x
  2. Step 2: Convert to fraction form
    93,493.70/129,016.32 = 51,043.94/x
  3. Step 3: Cross multiply
    93,493.70x = 129,016.32 × 51,043.94
  4. Step 4: Simplify right side
    93,493.70x = 6,585,501,297.10
  5. Step 5: Solve for x
    x = 6,585,501,297.10/93,493.70
  6. Step 6: Final answer
    x = 70,437.92

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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.