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Finding the Fourth Proportional to 238,755, 329,528.69 and 136,848.77

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Solution

The fourth proportional to 238,755, 329,528.69 and 136,848.77 is: 188,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,755 : 329,528.69 = 136,848.77 : x
  2. Step 2: Convert to fraction form
    238,755/329,528.69 = 136,848.77/x
  3. Step 3: Cross multiply
    238,755x = 329,528.69 × 136,848.77
  4. Step 4: Simplify right side
    238,755x = 45,095,594,600.69
  5. Step 5: Solve for x
    x = 45,095,594,600.69/238,755
  6. Step 6: Final answer
    x = 188,878.12

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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.