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Finding the Fourth Proportional to 114,156.48, 157,497.52 and 66,370.80

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Solution

The fourth proportional to 114,156.48, 157,497.52 and 66,370.80 is: 91,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,156.48 : 157,497.52 = 66,370.80 : x
  2. Step 2: Convert to fraction form
    114,156.48/157,497.52 = 66,370.80/x
  3. Step 3: Cross multiply
    114,156.48x = 157,497.52 × 66,370.80
  4. Step 4: Simplify right side
    114,156.48x = 10,453,236,400.42
  5. Step 5: Solve for x
    x = 10,453,236,400.42/114,156.48
  6. Step 6: Final answer
    x = 91,569.37

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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.