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Finding the Fourth Proportional to 93,364.10, 139,718.10 and 63,839.60

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Solution

The fourth proportional to 93,364.10, 139,718.10 and 63,839.60 is: 95,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,364.10 : 139,718.10 = 63,839.60 : x
  2. Step 2: Convert to fraction form
    93,364.10/139,718.10 = 63,839.60/x
  3. Step 3: Cross multiply
    93,364.10x = 139,718.10 × 63,839.60
  4. Step 4: Simplify right side
    93,364.10x = 8,919,547,616.76
  5. Step 5: Solve for x
    x = 8,919,547,616.76/93,364.10
  6. Step 6: Final answer
    x = 95,535.09

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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.