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Finding the Fourth Proportional to 252,070.94, 378,085.62 and 83,536.22

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Solution

The fourth proportional to 252,070.94, 378,085.62 and 83,536.22 is: 125,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,070.94 : 378,085.62 = 83,536.22 : x
  2. Step 2: Convert to fraction form
    252,070.94/378,085.62 = 83,536.22/x
  3. Step 3: Cross multiply
    252,070.94x = 378,085.62 × 83,536.22
  4. Step 4: Simplify right side
    252,070.94x = 31,583,843,531.16
  5. Step 5: Solve for x
    x = 31,583,843,531.16/252,070.94
  6. Step 6: Final answer
    x = 125,297.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.