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Finding the Fourth Proportional to 93,197.87, 128,616.71 and 52,915.39

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Solution

The fourth proportional to 93,197.87, 128,616.71 and 52,915.39 is: 73,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,197.87 : 128,616.71 = 52,915.39 : x
  2. Step 2: Convert to fraction form
    93,197.87/128,616.71 = 52,915.39/x
  3. Step 3: Cross multiply
    93,197.87x = 128,616.71 × 52,915.39
  4. Step 4: Simplify right side
    93,197.87x = 6,805,802,784.05
  5. Step 5: Solve for x
    x = 6,805,802,784.05/93,197.87
  6. Step 6: Final answer
    x = 73,025.30

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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.