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Finding the Fourth Proportional to 199,595.85, 299,328.98 and 66,453.45

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Solution

The fourth proportional to 199,595.85, 299,328.98 and 66,453.45 is: 99,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,595.85 : 299,328.98 = 66,453.45 : x
  2. Step 2: Convert to fraction form
    199,595.85/299,328.98 = 66,453.45/x
  3. Step 3: Cross multiply
    199,595.85x = 299,328.98 × 66,453.45
  4. Step 4: Simplify right side
    199,595.85x = 19,891,443,073.71
  5. Step 5: Solve for x
    x = 19,891,443,073.71/199,595.85
  6. Step 6: Final answer
    x = 99,658.60

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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.