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Finding the Fourth Proportional to 199,417.90, 299,126.85 and 133,062.70

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Solution

The fourth proportional to 199,417.90, 299,126.85 and 133,062.70 is: 199,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,417.90 : 299,126.85 = 133,062.70 : x
  2. Step 2: Convert to fraction form
    199,417.90/299,126.85 = 133,062.70/x
  3. Step 3: Cross multiply
    199,417.90x = 299,126.85 × 133,062.70
  4. Step 4: Simplify right side
    199,417.90x = 39,802,626,303.50
  5. Step 5: Solve for x
    x = 39,802,626,303.50/199,417.90
  6. Step 6: Final answer
    x = 199,594.05

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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.