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Finding the Fourth Proportional to 151,891.04, 209,610.24 and 84,823.04

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Solution

The fourth proportional to 151,891.04, 209,610.24 and 84,823.04 is: 117,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,891.04 : 209,610.24 = 84,823.04 : x
  2. Step 2: Convert to fraction form
    151,891.04/209,610.24 = 84,823.04/x
  3. Step 3: Cross multiply
    151,891.04x = 209,610.24 × 84,823.04
  4. Step 4: Simplify right side
    151,891.04x = 17,779,777,771.93
  5. Step 5: Solve for x
    x = 17,779,777,771.93/151,891.04
  6. Step 6: Final answer
    x = 117,056.13

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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.