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Finding the Fourth Proportional to 101,370.96, 152,058.60 and 31,250.16

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Solution

The fourth proportional to 101,370.96, 152,058.60 and 31,250.16 is: 46,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,370.96 : 152,058.60 = 31,250.16 : x
  2. Step 2: Convert to fraction form
    101,370.96/152,058.60 = 31,250.16/x
  3. Step 3: Cross multiply
    101,370.96x = 152,058.60 × 31,250.16
  4. Step 4: Simplify right side
    101,370.96x = 4,751,855,579.38
  5. Step 5: Solve for x
    x = 4,751,855,579.38/101,370.96
  6. Step 6: Final answer
    x = 46,875.91

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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.