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Finding the Fourth Proportional to 114,038.36, 157,370.15 and 63,049.76

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Solution

The fourth proportional to 114,038.36, 157,370.15 and 63,049.76 is: 87,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,038.36 : 157,370.15 = 63,049.76 : x
  2. Step 2: Convert to fraction form
    114,038.36/157,370.15 = 63,049.76/x
  3. Step 3: Cross multiply
    114,038.36x = 157,370.15 × 63,049.76
  4. Step 4: Simplify right side
    114,038.36x = 9,922,149,873.42
  5. Step 5: Solve for x
    x = 9,922,149,873.42/114,038.36
  6. Step 6: Final answer
    x = 87,007.13

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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.