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Finding the Fourth Proportional to 136,054.80, 190,673.55 and 136,054.80

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Solution

The fourth proportional to 136,054.80, 190,673.55 and 136,054.80 is: 190,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,054.80 : 190,673.55 = 136,054.80 : x
  2. Step 2: Convert to fraction form
    136,054.80/190,673.55 = 136,054.80/x
  3. Step 3: Cross multiply
    136,054.80x = 190,673.55 × 136,054.80
  4. Step 4: Simplify right side
    136,054.80x = 25,942,051,710.54
  5. Step 5: Solve for x
    x = 25,942,051,710.54/136,054.80
  6. Step 6: Final answer
    x = 190,673.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.