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Finding the Fourth Proportional to 209,452.59, 314,131.57 and 59,689.67

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Solution

The fourth proportional to 209,452.59, 314,131.57 and 59,689.67 is: 89,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,452.59 : 314,131.57 = 59,689.67 : x
  2. Step 2: Convert to fraction form
    209,452.59/314,131.57 = 59,689.67/x
  3. Step 3: Cross multiply
    209,452.59x = 314,131.57 × 59,689.67
  4. Step 4: Simplify right side
    209,452.59x = 18,750,408,030.00
  5. Step 5: Solve for x
    x = 18,750,408,030.00/209,452.59
  6. Step 6: Final answer
    x = 89,521.01

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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.