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Finding the Fourth Proportional to 83,239.79, 124,858.90 and 35,888.33

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Solution

The fourth proportional to 83,239.79, 124,858.90 and 35,888.33 is: 53,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,239.79 : 124,858.90 = 35,888.33 : x
  2. Step 2: Convert to fraction form
    83,239.79/124,858.90 = 35,888.33/x
  3. Step 3: Cross multiply
    83,239.79x = 124,858.90 × 35,888.33
  4. Step 4: Simplify right side
    83,239.79x = 4,480,977,442.70
  5. Step 5: Solve for x
    x = 4,480,977,442.70/83,239.79
  6. Step 6: Final answer
    x = 53,832.16

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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.