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Finding the Fourth Proportional to 243,550.40, 365,290.76 and 83,623.34

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Solution

The fourth proportional to 243,550.40, 365,290.76 and 83,623.34 is: 125,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,550.40 : 365,290.76 = 83,623.34 : x
  2. Step 2: Convert to fraction form
    243,550.40/365,290.76 = 83,623.34/x
  3. Step 3: Cross multiply
    243,550.40x = 365,290.76 × 83,623.34
  4. Step 4: Simplify right side
    243,550.40x = 30,546,832,489.86
  5. Step 5: Solve for x
    x = 30,546,832,489.86/243,550.40
  6. Step 6: Final answer
    x = 125,423.05

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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.