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Finding the Fourth Proportional to 122,283.40, 183,425.10 and 102,600.40

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Solution

The fourth proportional to 122,283.40, 183,425.10 and 102,600.40 is: 153,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,283.40 : 183,425.10 = 102,600.40 : x
  2. Step 2: Convert to fraction form
    122,283.40/183,425.10 = 102,600.40/x
  3. Step 3: Cross multiply
    122,283.40x = 183,425.10 × 102,600.40
  4. Step 4: Simplify right side
    122,283.40x = 18,819,488,630.04
  5. Step 5: Solve for x
    x = 18,819,488,630.04/122,283.40
  6. Step 6: Final answer
    x = 153,900.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.