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Finding the Fourth Proportional to 216,101.70, 323,496.45 and 192,482.10

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Solution

The fourth proportional to 216,101.70, 323,496.45 and 192,482.10 is: 288,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,101.70 : 323,496.45 = 192,482.10 : x
  2. Step 2: Convert to fraction form
    216,101.70/323,496.45 = 192,482.10/x
  3. Step 3: Cross multiply
    216,101.70x = 323,496.45 × 192,482.10
  4. Step 4: Simplify right side
    216,101.70x = 62,267,276,038.55
  5. Step 5: Solve for x
    x = 62,267,276,038.55/216,101.70
  6. Step 6: Final answer
    x = 288,138.76

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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.