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Finding the Fourth Proportional to 209,357.85, 314,029.45 and 59,598.97

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Solution

The fourth proportional to 209,357.85, 314,029.45 and 59,598.97 is: 89,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,357.85 : 314,029.45 = 59,598.97 : x
  2. Step 2: Convert to fraction form
    209,357.85/314,029.45 = 59,598.97/x
  3. Step 3: Cross multiply
    209,357.85x = 314,029.45 × 59,598.97
  4. Step 4: Simplify right side
    209,357.85x = 18,715,831,769.67
  5. Step 5: Solve for x
    x = 18,715,831,769.67/209,357.85
  6. Step 6: Final answer
    x = 89,396.37

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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.