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Finding the Fourth Proportional to 54,328.35, 81,492.53 and 54,328.35

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Solution

The fourth proportional to 54,328.35, 81,492.53 and 54,328.35 is: 81,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.35 : 81,492.53 = 54,328.35 : x
  2. Step 2: Convert to fraction form
    54,328.35/81,492.53 = 54,328.35/x
  3. Step 3: Cross multiply
    54,328.35x = 81,492.53 × 54,328.35
  4. Step 4: Simplify right side
    54,328.35x = 4,427,354,420.58
  5. Step 5: Solve for x
    x = 4,427,354,420.58/54,328.35
  6. Step 6: Final answer
    x = 81,492.53

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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.