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Finding the Fourth Proportional to 168,492.60, 252,774.54 and 63,312.48

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Solution

The fourth proportional to 168,492.60, 252,774.54 and 63,312.48 is: 94,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,492.60 : 252,774.54 = 63,312.48 : x
  2. Step 2: Convert to fraction form
    168,492.60/252,774.54 = 63,312.48/x
  3. Step 3: Cross multiply
    168,492.60x = 252,774.54 × 63,312.48
  4. Step 4: Simplify right side
    168,492.60x = 16,003,783,008.26
  5. Step 5: Solve for x
    x = 16,003,783,008.26/168,492.60
  6. Step 6: Final answer
    x = 94,982.11

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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.