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Finding the Fourth Proportional to 114,430.61, 157,930.58 and 63,454.67

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Solution

The fourth proportional to 114,430.61, 157,930.58 and 63,454.67 is: 87,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,430.61 : 157,930.58 = 63,454.67 : x
  2. Step 2: Convert to fraction form
    114,430.61/157,930.58 = 63,454.67/x
  3. Step 3: Cross multiply
    114,430.61x = 157,930.58 × 63,454.67
  4. Step 4: Simplify right side
    114,430.61x = 10,021,433,390.27
  5. Step 5: Solve for x
    x = 10,021,433,390.27/114,430.61
  6. Step 6: Final answer
    x = 87,576.51

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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.