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Finding the Fourth Proportional to 180,812.40, 271,218.60 and 49,484.40

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Solution

The fourth proportional to 180,812.40, 271,218.60 and 49,484.40 is: 74,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,812.40 : 271,218.60 = 49,484.40 : x
  2. Step 2: Convert to fraction form
    180,812.40/271,218.60 = 49,484.40/x
  3. Step 3: Cross multiply
    180,812.40x = 271,218.60 × 49,484.40
  4. Step 4: Simplify right side
    180,812.40x = 13,421,089,689.84
  5. Step 5: Solve for x
    x = 13,421,089,689.84/180,812.40
  6. Step 6: Final answer
    x = 74,226.60

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1.5x scale

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.