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Finding the Fourth Proportional to 164,058.91, 245,924.85 and 69,312.94

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Solution

The fourth proportional to 164,058.91, 245,924.85 and 69,312.94 is: 103,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,058.91 : 245,924.85 = 69,312.94 : x
  2. Step 2: Convert to fraction form
    164,058.91/245,924.85 = 69,312.94/x
  3. Step 3: Cross multiply
    164,058.91x = 245,924.85 × 69,312.94
  4. Step 4: Simplify right side
    164,058.91x = 17,045,774,372.56
  5. Step 5: Solve for x
    x = 17,045,774,372.56/164,058.91
  6. Step 6: Final answer
    x = 103,900.33

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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.