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Finding the Fourth Proportional to 157,750.44, 217,925.89 and 136,492.80

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Solution

The fourth proportional to 157,750.44, 217,925.89 and 136,492.80 is: 188,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,750.44 : 217,925.89 = 136,492.80 : x
  2. Step 2: Convert to fraction form
    157,750.44/217,925.89 = 136,492.80/x
  3. Step 3: Cross multiply
    157,750.44x = 217,925.89 × 136,492.80
  4. Step 4: Simplify right side
    157,750.44x = 29,745,314,527.91
  5. Step 5: Solve for x
    x = 29,745,314,527.91/157,750.44
  6. Step 6: Final answer
    x = 188,559.32

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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.