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Finding the Fourth Proportional to 83,115.01, 114,699.14 and 45,389.26

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Solution

The fourth proportional to 83,115.01, 114,699.14 and 45,389.26 is: 62,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,115.01 : 114,699.14 = 45,389.26 : x
  2. Step 2: Convert to fraction form
    83,115.01/114,699.14 = 45,389.26/x
  3. Step 3: Cross multiply
    83,115.01x = 114,699.14 × 45,389.26
  4. Step 4: Simplify right side
    83,115.01x = 5,206,108,860.29
  5. Step 5: Solve for x
    x = 5,206,108,860.29/83,115.01
  6. Step 6: Final answer
    x = 62,637.41

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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.