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Finding the Fourth Proportional to 114,303.87, 157,733.86 and 63,313.16

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Solution

The fourth proportional to 114,303.87, 157,733.86 and 63,313.16 is: 87,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,303.87 : 157,733.86 = 63,313.16 : x
  2. Step 2: Convert to fraction form
    114,303.87/157,733.86 = 63,313.16/x
  3. Step 3: Cross multiply
    114,303.87x = 157,733.86 × 63,313.16
  4. Step 4: Simplify right side
    114,303.87x = 9,986,629,115.60
  5. Step 5: Solve for x
    x = 9,986,629,115.60/114,303.87
  6. Step 6: Final answer
    x = 87,369.13

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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.