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Finding the Fourth Proportional to 228,477.90, 342,451.89 and 135,062.22

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Solution

The fourth proportional to 228,477.90, 342,451.89 and 135,062.22 is: 202,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,477.90 : 342,451.89 = 135,062.22 : x
  2. Step 2: Convert to fraction form
    228,477.90/342,451.89 = 135,062.22/x
  3. Step 3: Cross multiply
    228,477.90x = 342,451.89 × 135,062.22
  4. Step 4: Simplify right side
    228,477.90x = 46,252,312,506.60
  5. Step 5: Solve for x
    x = 46,252,312,506.60/228,477.90
  6. Step 6: Final answer
    x = 202,436.70

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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.