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Finding the Fourth Proportional to 93,804.56, 129,450.64 and 51,362.72

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Solution

The fourth proportional to 93,804.56, 129,450.64 and 51,362.72 is: 70,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,804.56 : 129,450.64 = 51,362.72 : x
  2. Step 2: Convert to fraction form
    93,804.56/129,450.64 = 51,362.72/x
  3. Step 3: Cross multiply
    93,804.56x = 129,450.64 × 51,362.72
  4. Step 4: Simplify right side
    93,804.56x = 6,648,936,976.14
  5. Step 5: Solve for x
    x = 6,648,936,976.14/93,804.56
  6. Step 6: Final answer
    x = 70,880.74

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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.