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Finding the Fourth Proportional to 173,161.50, 238,960.54 and 96,681.77

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Solution

The fourth proportional to 173,161.50, 238,960.54 and 96,681.77 is: 133,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,161.50 : 238,960.54 = 96,681.77 : x
  2. Step 2: Convert to fraction form
    173,161.50/238,960.54 = 96,681.77/x
  3. Step 3: Cross multiply
    173,161.50x = 238,960.54 × 96,681.77
  4. Step 4: Simplify right side
    173,161.50x = 23,103,127,967.36
  5. Step 5: Solve for x
    x = 23,103,127,967.36/173,161.50
  6. Step 6: Final answer
    x = 133,419.54

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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.