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Finding the Fourth Proportional to 93,807.90, 140,740.65 and 74,094.30

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Solution

The fourth proportional to 93,807.90, 140,740.65 and 74,094.30 is: 111,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,807.90 : 140,740.65 = 74,094.30 : x
  2. Step 2: Convert to fraction form
    93,807.90/140,740.65 = 74,094.30/x
  3. Step 3: Cross multiply
    93,807.90x = 140,740.65 × 74,094.30
  4. Step 4: Simplify right side
    93,807.90x = 10,428,079,943.30
  5. Step 5: Solve for x
    x = 10,428,079,943.30/93,807.90
  6. Step 6: Final answer
    x = 111,164.20

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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.