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Finding the Fourth Proportional to 99,058, 136,702.44 and 54,346

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Solution

The fourth proportional to 99,058, 136,702.44 and 54,346 is: 74,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,058 : 136,702.44 = 54,346 : x
  2. Step 2: Convert to fraction form
    99,058/136,702.44 = 54,346/x
  3. Step 3: Cross multiply
    99,058x = 136,702.44 × 54,346
  4. Step 4: Simplify right side
    99,058x = 7,429,230,804.24
  5. Step 5: Solve for x
    x = 7,429,230,804.24/99,058
  6. Step 6: Final answer
    x = 74,998.80

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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.