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Finding the Fourth Proportional to 236,079.34, 325,780.00 and 128,647.06

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Solution

The fourth proportional to 236,079.34, 325,780.00 and 128,647.06 is: 177,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,079.34 : 325,780.00 = 128,647.06 : x
  2. Step 2: Convert to fraction form
    236,079.34/325,780.00 = 128,647.06/x
  3. Step 3: Cross multiply
    236,079.34x = 325,780.00 × 128,647.06
  4. Step 4: Simplify right side
    236,079.34x = 41,910,638,070.73
  5. Step 5: Solve for x
    x = 41,910,638,070.73/236,079.34
  6. Step 6: Final answer
    x = 177,527.77

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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.