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Finding the Fourth Proportional to 245,774.89, 368,509.60 and 103,546.89

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Solution

The fourth proportional to 245,774.89, 368,509.60 and 103,546.89 is: 155,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,774.89 : 368,509.60 = 103,546.89 : x
  2. Step 2: Convert to fraction form
    245,774.89/368,509.60 = 103,546.89/x
  3. Step 3: Cross multiply
    245,774.89x = 368,509.60 × 103,546.89
  4. Step 4: Simplify right side
    245,774.89x = 38,158,023,144.58
  5. Step 5: Solve for x
    x = 38,158,023,144.58/245,774.89
  6. Step 6: Final answer
    x = 155,255.99

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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.