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Finding the Fourth Proportional to 223,389.48, 335,100.48 and 83,148

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Solution

The fourth proportional to 223,389.48, 335,100.48 and 83,148 is: 124,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,389.48 : 335,100.48 = 83,148 : x
  2. Step 2: Convert to fraction form
    223,389.48/335,100.48 = 83,148/x
  3. Step 3: Cross multiply
    223,389.48x = 335,100.48 × 83,148
  4. Step 4: Simplify right side
    223,389.48x = 27,862,934,711.04
  5. Step 5: Solve for x
    x = 27,862,934,711.04/223,389.48
  6. Step 6: Final answer
    x = 124,728.05

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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.