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Finding the Fourth Proportional to 95,430.40, 143,204.10 and 39,297.40

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Solution

The fourth proportional to 95,430.40, 143,204.10 and 39,297.40 is: 58,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,430.40 : 143,204.10 = 39,297.40 : x
  2. Step 2: Convert to fraction form
    95,430.40/143,204.10 = 39,297.40/x
  3. Step 3: Cross multiply
    95,430.40x = 143,204.10 × 39,297.40
  4. Step 4: Simplify right side
    95,430.40x = 5,627,548,799.34
  5. Step 5: Solve for x
    x = 5,627,548,799.34/95,430.40
  6. Step 6: Final answer
    x = 58,970.19

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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.