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Finding the Fourth Proportional to 114,703.56, 158,285.54 and 63,719.53

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Solution

The fourth proportional to 114,703.56, 158,285.54 and 63,719.53 is: 87,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,703.56 : 158,285.54 = 63,719.53 : x
  2. Step 2: Convert to fraction form
    114,703.56/158,285.54 = 63,719.53/x
  3. Step 3: Cross multiply
    114,703.56x = 158,285.54 × 63,719.53
  4. Step 4: Simplify right side
    114,703.56x = 10,085,879,978.18
  5. Step 5: Solve for x
    x = 10,085,879,978.18/114,703.56
  6. Step 6: Final answer
    x = 87,929.96

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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.