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Finding the Fourth Proportional to 238,224.25, 328,655.70 and 136,194.89

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Solution

The fourth proportional to 238,224.25, 328,655.70 and 136,194.89 is: 187,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,224.25 : 328,655.70 = 136,194.89 : x
  2. Step 2: Convert to fraction form
    238,224.25/328,655.70 = 136,194.89/x
  3. Step 3: Cross multiply
    238,224.25x = 328,655.70 × 136,194.89
  4. Step 4: Simplify right side
    238,224.25x = 44,761,227,731.01
  5. Step 5: Solve for x
    x = 44,761,227,731.01/238,224.25
  6. Step 6: Final answer
    x = 187,895.35

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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.