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Finding the Fourth Proportional to 117,503.99, 162,154.54 and 63,788.91

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Solution

The fourth proportional to 117,503.99, 162,154.54 and 63,788.91 is: 88,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,503.99 : 162,154.54 = 63,788.91 : x
  2. Step 2: Convert to fraction form
    117,503.99/162,154.54 = 63,788.91/x
  3. Step 3: Cross multiply
    117,503.99x = 162,154.54 × 63,788.91
  4. Step 4: Simplify right side
    117,503.99x = 10,343,661,358.15
  5. Step 5: Solve for x
    x = 10,343,661,358.15/117,503.99
  6. Step 6: Final answer
    x = 88,028.17

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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.