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Finding the Fourth Proportional to 178,492.58, 246,317.73 and 103,039.46

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Solution

The fourth proportional to 178,492.58, 246,317.73 and 103,039.46 is: 142,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,492.58 : 246,317.73 = 103,039.46 : x
  2. Step 2: Convert to fraction form
    178,492.58/246,317.73 = 103,039.46/x
  3. Step 3: Cross multiply
    178,492.58x = 246,317.73 × 103,039.46
  4. Step 4: Simplify right side
    178,492.58x = 25,380,445,887.63
  5. Step 5: Solve for x
    x = 25,380,445,887.63/178,492.58
  6. Step 6: Final answer
    x = 142,193.28

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1.5x scale

Why These Related Problems?

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