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Finding the Fourth Proportional to 209,453.59, 314,133.07 and 59,690.67

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Solution

The fourth proportional to 209,453.59, 314,133.07 and 59,690.67 is: 89,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,453.59 : 314,133.07 = 59,690.67 : x
  2. Step 2: Convert to fraction form
    209,453.59/314,133.07 = 59,690.67/x
  3. Step 3: Cross multiply
    209,453.59x = 314,133.07 × 59,690.67
  4. Step 4: Simplify right side
    209,453.59x = 18,750,813,417.46
  5. Step 5: Solve for x
    x = 18,750,813,417.46/209,453.59
  6. Step 6: Final answer
    x = 89,522.52

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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.