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Finding the Fourth Proportional to 93,547.50, 140,372.01 and 54,181.50

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Solution

The fourth proportional to 93,547.50, 140,372.01 and 54,181.50 is: 81,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,547.50 : 140,372.01 = 54,181.50 : x
  2. Step 2: Convert to fraction form
    93,547.50/140,372.01 = 54,181.50/x
  3. Step 3: Cross multiply
    93,547.50x = 140,372.01 × 54,181.50
  4. Step 4: Simplify right side
    93,547.50x = 7,605,566,059.82
  5. Step 5: Solve for x
    x = 7,605,566,059.82/93,547.50
  6. Step 6: Final answer
    x = 81,301.65

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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.