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Finding the Fourth Proportional to 104,830.20, 144,634.08 and 94,726.20

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Solution

The fourth proportional to 104,830.20, 144,634.08 and 94,726.20 is: 130,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,830.20 : 144,634.08 = 94,726.20 : x
  2. Step 2: Convert to fraction form
    104,830.20/144,634.08 = 94,726.20/x
  3. Step 3: Cross multiply
    104,830.20x = 144,634.08 × 94,726.20
  4. Step 4: Simplify right side
    104,830.20x = 13,700,636,788.90
  5. Step 5: Solve for x
    x = 13,700,636,788.90/104,830.20
  6. Step 6: Final answer
    x = 130,693.61

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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.