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Finding the Fourth Proportional to 68,259.83, 94,187.14 and 38,038.52

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Solution

The fourth proportional to 68,259.83, 94,187.14 and 38,038.52 is: 52,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,259.83 : 94,187.14 = 38,038.52 : x
  2. Step 2: Convert to fraction form
    68,259.83/94,187.14 = 38,038.52/x
  3. Step 3: Cross multiply
    68,259.83x = 94,187.14 × 38,038.52
  4. Step 4: Simplify right side
    68,259.83x = 3,582,739,549.00
  5. Step 5: Solve for x
    x = 3,582,739,549.00/68,259.83
  6. Step 6: Final answer
    x = 52,486.80

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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.