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Finding the Fourth Proportional to 272,015.60, 407,916.54 and 92,051.46

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Solution

The fourth proportional to 272,015.60, 407,916.54 and 92,051.46 is: 138,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,015.60 : 407,916.54 = 92,051.46 : x
  2. Step 2: Convert to fraction form
    272,015.60/407,916.54 = 92,051.46/x
  3. Step 3: Cross multiply
    272,015.60x = 407,916.54 × 92,051.46
  4. Step 4: Simplify right side
    272,015.60x = 37,549,313,065.15
  5. Step 5: Solve for x
    x = 37,549,313,065.15/272,015.60
  6. Step 6: Final answer
    x = 138,041.03

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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.