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Finding the Fourth Proportional to 114,303.33, 157,739.87 and 63,316.85

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Solution

The fourth proportional to 114,303.33, 157,739.87 and 63,316.85 is: 87,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,303.33 : 157,739.87 = 63,316.85 : x
  2. Step 2: Convert to fraction form
    114,303.33/157,739.87 = 63,316.85/x
  3. Step 3: Cross multiply
    114,303.33x = 157,739.87 × 63,316.85
  4. Step 4: Simplify right side
    114,303.33x = 9,987,590,582.53
  5. Step 5: Solve for x
    x = 9,987,590,582.53/114,303.33
  6. Step 6: Final answer
    x = 87,377.95

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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.