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Finding the Fourth Proportional to 270,920.87, 374,051.61 and 168,987.23

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Solution

The fourth proportional to 270,920.87, 374,051.61 and 168,987.23 is: 233,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,920.87 : 374,051.61 = 168,987.23 : x
  2. Step 2: Convert to fraction form
    270,920.87/374,051.61 = 168,987.23/x
  3. Step 3: Cross multiply
    270,920.87x = 374,051.61 × 168,987.23
  4. Step 4: Simplify right side
    270,920.87x = 63,209,943,580.68
  5. Step 5: Solve for x
    x = 63,209,943,580.68/270,920.87
  6. Step 6: Final answer
    x = 233,315.15

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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.