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Finding the Fourth Proportional to 103,372, 142,653.37 and 58,050.01

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Solution

The fourth proportional to 103,372, 142,653.37 and 58,050.01 is: 80,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,372 : 142,653.37 = 58,050.01 : x
  2. Step 2: Convert to fraction form
    103,372/142,653.37 = 58,050.01/x
  3. Step 3: Cross multiply
    103,372x = 142,653.37 × 58,050.01
  4. Step 4: Simplify right side
    103,372x = 8,281,029,555.03
  5. Step 5: Solve for x
    x = 8,281,029,555.03/103,372
  6. Step 6: Final answer
    x = 80,109.02

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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.