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Finding the Fourth Proportional to 114,117.92, 157,483.92 and 63,819.68

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Solution

The fourth proportional to 114,117.92, 157,483.92 and 63,819.68 is: 88,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,117.92 : 157,483.92 = 63,819.68 : x
  2. Step 2: Convert to fraction form
    114,117.92/157,483.92 = 63,819.68/x
  3. Step 3: Cross multiply
    114,117.92x = 157,483.92 × 63,819.68
  4. Step 4: Simplify right side
    114,117.92x = 10,050,573,379.55
  5. Step 5: Solve for x
    x = 10,050,573,379.55/114,117.92
  6. Step 6: Final answer
    x = 88,071.82

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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.