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Finding the Fourth Proportional to 125,559.90, 188,102.34 and 97,341.81

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Solution

The fourth proportional to 125,559.90, 188,102.34 and 97,341.81 is: 145,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,559.90 : 188,102.34 = 97,341.81 : x
  2. Step 2: Convert to fraction form
    125,559.90/188,102.34 = 97,341.81/x
  3. Step 3: Cross multiply
    125,559.90x = 188,102.34 × 97,341.81
  4. Step 4: Simplify right side
    125,559.90x = 18,310,222,240.84
  5. Step 5: Solve for x
    x = 18,310,222,240.84/125,559.90
  6. Step 6: Final answer
    x = 145,828.58

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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.