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Finding the Fourth Proportional to 68,055.16, 101,864.32 and 36,386.08

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Solution

The fourth proportional to 68,055.16, 101,864.32 and 36,386.08 is: 54,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,055.16 : 101,864.32 = 36,386.08 : x
  2. Step 2: Convert to fraction form
    68,055.16/101,864.32 = 36,386.08/x
  3. Step 3: Cross multiply
    68,055.16x = 101,864.32 × 36,386.08
  4. Step 4: Simplify right side
    68,055.16x = 3,706,443,296.67
  5. Step 5: Solve for x
    x = 3,706,443,296.67/68,055.16
  6. Step 6: Final answer
    x = 54,462.34

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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.