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Finding the Fourth Proportional to 255,466.37, 352,543.69 and 148,098.65

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Solution

The fourth proportional to 255,466.37, 352,543.69 and 148,098.65 is: 204,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,466.37 : 352,543.69 = 148,098.65 : x
  2. Step 2: Convert to fraction form
    255,466.37/352,543.69 = 148,098.65/x
  3. Step 3: Cross multiply
    255,466.37x = 352,543.69 × 148,098.65
  4. Step 4: Simplify right side
    255,466.37x = 52,211,242,977.42
  5. Step 5: Solve for x
    x = 52,211,242,977.42/255,466.37
  6. Step 6: Final answer
    x = 204,376.19

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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.