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Finding the Fourth Proportional to 255,576.55, 352,697.07 and 148,210.31

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Solution

The fourth proportional to 255,576.55, 352,697.07 and 148,210.31 is: 204,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,576.55 : 352,697.07 = 148,210.31 : x
  2. Step 2: Convert to fraction form
    255,576.55/352,697.07 = 148,210.31/x
  3. Step 3: Cross multiply
    255,576.55x = 352,697.07 × 148,210.31
  4. Step 4: Simplify right side
    255,576.55x = 52,273,342,080.79
  5. Step 5: Solve for x
    x = 52,273,342,080.79/255,576.55
  6. Step 6: Final answer
    x = 204,531.06

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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.