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Finding the Fourth Proportional to 189,801.04, 261,915.18 and 104,913.04

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Solution

The fourth proportional to 189,801.04, 261,915.18 and 104,913.04 is: 144,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,801.04 : 261,915.18 = 104,913.04 : x
  2. Step 2: Convert to fraction form
    189,801.04/261,915.18 = 104,913.04/x
  3. Step 3: Cross multiply
    189,801.04x = 261,915.18 × 104,913.04
  4. Step 4: Simplify right side
    189,801.04x = 27,478,317,755.95
  5. Step 5: Solve for x
    x = 27,478,317,755.95/189,801.04
  6. Step 6: Final answer
    x = 144,774.33

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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.