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Finding the Fourth Proportional to 161,093.39, 241,547.47 and 66,388.95

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Solution

The fourth proportional to 161,093.39, 241,547.47 and 66,388.95 is: 99,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,093.39 : 241,547.47 = 66,388.95 : x
  2. Step 2: Convert to fraction form
    161,093.39/241,547.47 = 66,388.95/x
  3. Step 3: Cross multiply
    161,093.39x = 241,547.47 × 66,388.95
  4. Step 4: Simplify right side
    161,093.39x = 16,036,082,742.48
  5. Step 5: Solve for x
    x = 16,036,082,742.48/161,093.39
  6. Step 6: Final answer
    x = 99,545.26

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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.