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Finding the Fourth Proportional to 183,153.80, 274,779.30 and 64,812.80

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Solution

The fourth proportional to 183,153.80, 274,779.30 and 64,812.80 is: 97,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,153.80 : 274,779.30 = 64,812.80 : x
  2. Step 2: Convert to fraction form
    183,153.80/274,779.30 = 64,812.80/x
  3. Step 3: Cross multiply
    183,153.80x = 274,779.30 × 64,812.80
  4. Step 4: Simplify right side
    183,153.80x = 17,809,215,815.04
  5. Step 5: Solve for x
    x = 17,809,215,815.04/183,153.80
  6. Step 6: Final answer
    x = 97,236.40

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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.