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Finding the Fourth Proportional to 116,492.60, 174,587.70 and 54,030.20

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Solution

The fourth proportional to 116,492.60, 174,587.70 and 54,030.20 is: 80,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,492.60 : 174,587.70 = 54,030.20 : x
  2. Step 2: Convert to fraction form
    116,492.60/174,587.70 = 54,030.20/x
  3. Step 3: Cross multiply
    116,492.60x = 174,587.70 × 54,030.20
  4. Step 4: Simplify right side
    116,492.60x = 9,433,008,348.54
  5. Step 5: Solve for x
    x = 9,433,008,348.54/116,492.60
  6. Step 6: Final answer
    x = 80,975.17

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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.