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Finding the Fourth Proportional to 93,555.90, 140,316.90 and 26,979.66

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Solution

The fourth proportional to 93,555.90, 140,316.90 and 26,979.66 is: 40,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,555.90 : 140,316.90 = 26,979.66 : x
  2. Step 2: Convert to fraction form
    93,555.90/140,316.90 = 26,979.66/x
  3. Step 3: Cross multiply
    93,555.90x = 140,316.90 × 26,979.66
  4. Step 4: Simplify right side
    93,555.90x = 3,785,702,254.25
  5. Step 5: Solve for x
    x = 3,785,702,254.25/93,555.90
  6. Step 6: Final answer
    x = 40,464.60

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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.