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Finding the Fourth Proportional to 114,036.92, 157,364.59 and 63,046.68

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Solution

The fourth proportional to 114,036.92, 157,364.59 and 63,046.68 is: 87,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,036.92 : 157,364.59 = 63,046.68 : x
  2. Step 2: Convert to fraction form
    114,036.92/157,364.59 = 63,046.68/x
  3. Step 3: Cross multiply
    114,036.92x = 157,364.59 × 63,046.68
  4. Step 4: Simplify right side
    114,036.92x = 9,921,314,319.54
  5. Step 5: Solve for x
    x = 9,921,314,319.54/114,036.92
  6. Step 6: Final answer
    x = 87,000.90

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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.