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Finding the Fourth Proportional to 93,800.58, 129,443.52 and 51,359.11

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Solution

The fourth proportional to 93,800.58, 129,443.52 and 51,359.11 is: 70,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,800.58 : 129,443.52 = 51,359.11 : x
  2. Step 2: Convert to fraction form
    93,800.58/129,443.52 = 51,359.11/x
  3. Step 3: Cross multiply
    93,800.58x = 129,443.52 × 51,359.11
  4. Step 4: Simplify right side
    93,800.58x = 6,648,104,290.68
  5. Step 5: Solve for x
    x = 6,648,104,290.68/93,800.58
  6. Step 6: Final answer
    x = 70,874.87

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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.