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Finding the Fourth Proportional to 114,031.98, 157,363.74 and 63,730.98

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Solution

The fourth proportional to 114,031.98, 157,363.74 and 63,730.98 is: 87,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,031.98 : 157,363.74 = 63,730.98 : x
  2. Step 2: Convert to fraction form
    114,031.98/157,363.74 = 63,730.98/x
  3. Step 3: Cross multiply
    114,031.98x = 157,363.74 × 63,730.98
  4. Step 4: Simplify right side
    114,031.98x = 10,028,945,366.67
  5. Step 5: Solve for x
    x = 10,028,945,366.67/114,031.98
  6. Step 6: Final answer
    x = 87,948.53

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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.