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Finding the Fourth Proportional to 92,955.54, 139,319.10 and 42,968.01

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Solution

The fourth proportional to 92,955.54, 139,319.10 and 42,968.01 is: 64,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,955.54 : 139,319.10 = 42,968.01 : x
  2. Step 2: Convert to fraction form
    92,955.54/139,319.10 = 42,968.01/x
  3. Step 3: Cross multiply
    92,955.54x = 139,319.10 × 42,968.01
  4. Step 4: Simplify right side
    92,955.54x = 5,986,264,481.99
  5. Step 5: Solve for x
    x = 5,986,264,481.99/92,955.54
  6. Step 6: Final answer
    x = 64,399.22

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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.