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Finding the Fourth Proportional to 104,886.48, 157,343.43 and 38,357.94

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Solution

The fourth proportional to 104,886.48, 157,343.43 and 38,357.94 is: 57,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,886.48 : 157,343.43 = 38,357.94 : x
  2. Step 2: Convert to fraction form
    104,886.48/157,343.43 = 38,357.94/x
  3. Step 3: Cross multiply
    104,886.48x = 157,343.43 × 38,357.94
  4. Step 4: Simplify right side
    104,886.48x = 6,035,369,847.33
  5. Step 5: Solve for x
    x = 6,035,369,847.33/104,886.48
  6. Step 6: Final answer
    x = 57,541.92

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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.