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Finding the Fourth Proportional to 93,547.72, 129,203.49 and 68,167.60

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Solution

The fourth proportional to 93,547.72, 129,203.49 and 68,167.60 is: 94,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,547.72 : 129,203.49 = 68,167.60 : x
  2. Step 2: Convert to fraction form
    93,547.72/129,203.49 = 68,167.60/x
  3. Step 3: Cross multiply
    93,547.72x = 129,203.49 × 68,167.60
  4. Step 4: Simplify right side
    93,547.72x = 8,807,491,824.92
  5. Step 5: Solve for x
    x = 8,807,491,824.92/93,547.72
  6. Step 6: Final answer
    x = 94,149.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.