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Finding the Fourth Proportional to 124,565, 171,903.34 and 67,980.04

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Solution

The fourth proportional to 124,565, 171,903.34 and 67,980.04 is: 93,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,565 : 171,903.34 = 67,980.04 : x
  2. Step 2: Convert to fraction form
    124,565/171,903.34 = 67,980.04/x
  3. Step 3: Cross multiply
    124,565x = 171,903.34 × 67,980.04
  4. Step 4: Simplify right side
    124,565x = 11,685,995,929.33
  5. Step 5: Solve for x
    x = 11,685,995,929.33/124,565
  6. Step 6: Final answer
    x = 93,814.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.