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Finding the Fourth Proportional to 93,077.29, 128,491.28 and 57,297.97

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Solution

The fourth proportional to 93,077.29, 128,491.28 and 57,297.97 is: 79,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,077.29 : 128,491.28 = 57,297.97 : x
  2. Step 2: Convert to fraction form
    93,077.29/128,491.28 = 57,297.97/x
  3. Step 3: Cross multiply
    93,077.29x = 128,491.28 × 57,297.97
  4. Step 4: Simplify right side
    93,077.29x = 7,362,289,506.70
  5. Step 5: Solve for x
    x = 7,362,289,506.70/93,077.29
  6. Step 6: Final answer
    x = 79,098.67

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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.