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Finding the Fourth Proportional to 169,501.50, 233,911.89 and 93,021.03

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Solution

The fourth proportional to 169,501.50, 233,911.89 and 93,021.03 is: 128,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,501.50 : 233,911.89 = 93,021.03 : x
  2. Step 2: Convert to fraction form
    169,501.50/233,911.89 = 93,021.03/x
  3. Step 3: Cross multiply
    169,501.50x = 233,911.89 × 93,021.03
  4. Step 4: Simplify right side
    169,501.50x = 21,758,724,937.05
  5. Step 5: Solve for x
    x = 21,758,724,937.05/169,501.50
  6. Step 6: Final answer
    x = 128,368.92

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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.