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Finding the Fourth Proportional to 114,475.10, 157,970.16 and 63,483.85

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Solution

The fourth proportional to 114,475.10, 157,970.16 and 63,483.85 is: 87,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,475.10 : 157,970.16 = 63,483.85 : x
  2. Step 2: Convert to fraction form
    114,475.10/157,970.16 = 63,483.85/x
  3. Step 3: Cross multiply
    114,475.10x = 157,970.16 × 63,483.85
  4. Step 4: Simplify right side
    114,475.10x = 10,028,553,941.92
  5. Step 5: Solve for x
    x = 10,028,553,941.92/114,475.10
  6. Step 6: Final answer
    x = 87,604.68

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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.