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Finding the Fourth Proportional to 153,237.50, 211,469.69 and 84,334.89

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Solution

The fourth proportional to 153,237.50, 211,469.69 and 84,334.89 is: 116,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,237.50 : 211,469.69 = 84,334.89 : x
  2. Step 2: Convert to fraction form
    153,237.50/211,469.69 = 84,334.89/x
  3. Step 3: Cross multiply
    153,237.50x = 211,469.69 × 84,334.89
  4. Step 4: Simplify right side
    153,237.50x = 17,834,274,048.33
  5. Step 5: Solve for x
    x = 17,834,274,048.33/153,237.50
  6. Step 6: Final answer
    x = 116,383.22

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1.5x scale

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.