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Finding the Fourth Proportional to 183,168.40, 274,752.60 and 99,187.60

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Solution

The fourth proportional to 183,168.40, 274,752.60 and 99,187.60 is: 148,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,168.40 : 274,752.60 = 99,187.60 : x
  2. Step 2: Convert to fraction form
    183,168.40/274,752.60 = 99,187.60/x
  3. Step 3: Cross multiply
    183,168.40x = 274,752.60 × 99,187.60
  4. Step 4: Simplify right side
    183,168.40x = 27,252,050,987.76
  5. Step 5: Solve for x
    x = 27,252,050,987.76/183,168.40
  6. Step 6: Final answer
    x = 148,781.40

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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.