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Finding the Fourth Proportional to 105,920.51, 146,195.51 and 60,624.63

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Solution

The fourth proportional to 105,920.51, 146,195.51 and 60,624.63 is: 83,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,920.51 : 146,195.51 = 60,624.63 : x
  2. Step 2: Convert to fraction form
    105,920.51/146,195.51 = 60,624.63/x
  3. Step 3: Cross multiply
    105,920.51x = 146,195.51 × 60,624.63
  4. Step 4: Simplify right side
    105,920.51x = 8,863,048,157.62
  5. Step 5: Solve for x
    x = 8,863,048,157.62/105,920.51
  6. Step 6: Final answer
    x = 83,676.41

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1.5x scale

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.