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Finding the Fourth Proportional to 117,103, 175,676.70 and 46,987.84

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Solution

The fourth proportional to 117,103, 175,676.70 and 46,987.84 is: 70,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,103 : 175,676.70 = 46,987.84 : x
  2. Step 2: Convert to fraction form
    117,103/175,676.70 = 46,987.84/x
  3. Step 3: Cross multiply
    117,103x = 175,676.70 × 46,987.84
  4. Step 4: Simplify right side
    117,103x = 8,254,668,671.33
  5. Step 5: Solve for x
    x = 8,254,668,671.33/117,103
  6. Step 6: Final answer
    x = 70,490.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.