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Finding the Fourth Proportional to 114,490.70, 157,814.60 and 90,252.14

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Solution

The fourth proportional to 114,490.70, 157,814.60 and 90,252.14 is: 124,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,490.70 : 157,814.60 = 90,252.14 : x
  2. Step 2: Convert to fraction form
    114,490.70/157,814.60 = 90,252.14/x
  3. Step 3: Cross multiply
    114,490.70x = 157,814.60 × 90,252.14
  4. Step 4: Simplify right side
    114,490.70x = 14,243,104,132.91
  5. Step 5: Solve for x
    x = 14,243,104,132.91/114,490.70
  6. Step 6: Final answer
    x = 124,404.03

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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.