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Finding the Fourth Proportional to 93,555.96, 140,300.90 and 26,978.12

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Solution

The fourth proportional to 93,555.96, 140,300.90 and 26,978.12 is: 40,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,555.96 : 140,300.90 = 26,978.12 : x
  2. Step 2: Convert to fraction form
    93,555.96/140,300.90 = 26,978.12/x
  3. Step 3: Cross multiply
    93,555.96x = 140,300.90 × 26,978.12
  4. Step 4: Simplify right side
    93,555.96x = 3,785,054,516.31
  5. Step 5: Solve for x
    x = 3,785,054,516.31/93,555.96
  6. Step 6: Final answer
    x = 40,457.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.