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Finding the Fourth Proportional to 93,199.61, 128,618.69 and 52,912.04

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Solution

The fourth proportional to 93,199.61, 128,618.69 and 52,912.04 is: 73,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,199.61 : 128,618.69 = 52,912.04 : x
  2. Step 2: Convert to fraction form
    93,199.61/128,618.69 = 52,912.04/x
  3. Step 3: Cross multiply
    93,199.61x = 128,618.69 × 52,912.04
  4. Step 4: Simplify right side
    93,199.61x = 6,805,476,362.37
  5. Step 5: Solve for x
    x = 6,805,476,362.37/93,199.61
  6. Step 6: Final answer
    x = 73,020.44

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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.