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Finding the Fourth Proportional to 83,326.12, 114,985.62 and 45,593.08

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Solution

The fourth proportional to 83,326.12, 114,985.62 and 45,593.08 is: 62,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,326.12 : 114,985.62 = 45,593.08 : x
  2. Step 2: Convert to fraction form
    83,326.12/114,985.62 = 45,593.08/x
  3. Step 3: Cross multiply
    83,326.12x = 114,985.62 × 45,593.08
  4. Step 4: Simplify right side
    83,326.12x = 5,242,548,571.51
  5. Step 5: Solve for x
    x = 5,242,548,571.51/83,326.12
  6. Step 6: Final answer
    x = 62,916.03

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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.