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Finding the Fourth Proportional to 255,730.91, 352,927.86 and 148,300.01

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Solution

The fourth proportional to 255,730.91, 352,927.86 and 148,300.01 is: 204,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,730.91 : 352,927.86 = 148,300.01 : x
  2. Step 2: Convert to fraction form
    255,730.91/352,927.86 = 148,300.01/x
  3. Step 3: Cross multiply
    255,730.91x = 352,927.86 × 148,300.01
  4. Step 4: Simplify right side
    255,730.91x = 52,339,205,167.28
  5. Step 5: Solve for x
    x = 52,339,205,167.28/255,730.91
  6. Step 6: Final answer
    x = 204,665.15

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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.