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Finding the Fourth Proportional to 255,325.56, 352,411.34 and 147,878.25

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Solution

The fourth proportional to 255,325.56, 352,411.34 and 147,878.25 is: 204,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,325.56 : 352,411.34 = 147,878.25 : x
  2. Step 2: Convert to fraction form
    255,325.56/352,411.34 = 147,878.25/x
  3. Step 3: Cross multiply
    255,325.56x = 352,411.34 × 147,878.25
  4. Step 4: Simplify right side
    255,325.56x = 52,113,971,499.96
  5. Step 5: Solve for x
    x = 52,113,971,499.96/255,325.56
  6. Step 6: Final answer
    x = 204,107.93

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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.