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Finding the Fourth Proportional to 93,414.69, 128,912.09 and 52,575.53

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Solution

The fourth proportional to 93,414.69, 128,912.09 and 52,575.53 is: 72,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,414.69 : 128,912.09 = 52,575.53 : x
  2. Step 2: Convert to fraction form
    93,414.69/128,912.09 = 52,575.53/x
  3. Step 3: Cross multiply
    93,414.69x = 128,912.09 × 52,575.53
  4. Step 4: Simplify right side
    93,414.69x = 6,777,620,547.72
  5. Step 5: Solve for x
    x = 6,777,620,547.72/93,414.69
  6. Step 6: Final answer
    x = 72,554.12

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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.