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Finding the Fourth Proportional to 255,467.69, 352,545.50 and 148,099.96

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Solution

The fourth proportional to 255,467.69, 352,545.50 and 148,099.96 is: 204,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,467.69 : 352,545.50 = 148,099.96 : x
  2. Step 2: Convert to fraction form
    255,467.69/352,545.50 = 148,099.96/x
  3. Step 3: Cross multiply
    255,467.69x = 352,545.50 × 148,099.96
  4. Step 4: Simplify right side
    255,467.69x = 52,211,973,937.07
  5. Step 5: Solve for x
    x = 52,211,973,937.07/255,467.69
  6. Step 6: Final answer
    x = 204,378.00

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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.