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Finding the Fourth Proportional to 68,747.04, 94,870.16 and 38,533.68

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Solution

The fourth proportional to 68,747.04, 94,870.16 and 38,533.68 is: 53,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,747.04 : 94,870.16 = 38,533.68 : x
  2. Step 2: Convert to fraction form
    68,747.04/94,870.16 = 38,533.68/x
  3. Step 3: Cross multiply
    68,747.04x = 94,870.16 × 38,533.68
  4. Step 4: Simplify right side
    68,747.04x = 3,655,696,386.99
  5. Step 5: Solve for x
    x = 3,655,696,386.99/68,747.04
  6. Step 6: Final answer
    x = 53,176.06

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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.