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Finding the Fourth Proportional to 240,055.94, 360,137.48 and 90,297.47

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Solution

The fourth proportional to 240,055.94, 360,137.48 and 90,297.47 is: 135,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,055.94 : 360,137.48 = 90,297.47 : x
  2. Step 2: Convert to fraction form
    240,055.94/360,137.48 = 90,297.47/x
  3. Step 3: Cross multiply
    240,055.94x = 360,137.48 × 90,297.47
  4. Step 4: Simplify right side
    240,055.94x = 32,519,501,044.00
  5. Step 5: Solve for x
    x = 32,519,501,044.00/240,055.94
  6. Step 6: Final answer
    x = 135,466.35

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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.