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Finding the Fourth Proportional to 125,653.35, 188,541.54 and 59,100.21

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Solution

The fourth proportional to 125,653.35, 188,541.54 and 59,100.21 is: 88,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,653.35 : 188,541.54 = 59,100.21 : x
  2. Step 2: Convert to fraction form
    125,653.35/188,541.54 = 59,100.21/x
  3. Step 3: Cross multiply
    125,653.35x = 188,541.54 × 59,100.21
  4. Step 4: Simplify right side
    125,653.35x = 11,142,844,607.72
  5. Step 5: Solve for x
    x = 11,142,844,607.72/125,653.35
  6. Step 6: Final answer
    x = 88,679.25

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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.