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Finding the Fourth Proportional to 254,171.39, 350,765.84 and 153,549.95

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Solution

The fourth proportional to 254,171.39, 350,765.84 and 153,549.95 is: 211,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,171.39 : 350,765.84 = 153,549.95 : x
  2. Step 2: Convert to fraction form
    254,171.39/350,765.84 = 153,549.95/x
  3. Step 3: Cross multiply
    254,171.39x = 350,765.84 × 153,549.95
  4. Step 4: Simplify right side
    254,171.39x = 53,860,075,823.75
  5. Step 5: Solve for x
    x = 53,860,075,823.75/254,171.39
  6. Step 6: Final answer
    x = 211,904.56

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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.