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Finding the Fourth Proportional to 192,659.80, 265,878.66 and 119,088.58

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Solution

The fourth proportional to 192,659.80, 265,878.66 and 119,088.58 is: 164,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,659.80 : 265,878.66 = 119,088.58 : x
  2. Step 2: Convert to fraction form
    192,659.80/265,878.66 = 119,088.58/x
  3. Step 3: Cross multiply
    192,659.80x = 265,878.66 × 119,088.58
  4. Step 4: Simplify right side
    192,659.80x = 31,663,112,071.70
  5. Step 5: Solve for x
    x = 31,663,112,071.70/192,659.80
  6. Step 6: Final answer
    x = 164,347.27

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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.