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Finding the Fourth Proportional to 200,430.21, 276,402.87 and 119,844.93

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Solution

The fourth proportional to 200,430.21, 276,402.87 and 119,844.93 is: 165,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,430.21 : 276,402.87 = 119,844.93 : x
  2. Step 2: Convert to fraction form
    200,430.21/276,402.87 = 119,844.93/x
  3. Step 3: Cross multiply
    200,430.21x = 276,402.87 × 119,844.93
  4. Step 4: Simplify right side
    200,430.21x = 33,125,482,606.95
  5. Step 5: Solve for x
    x = 33,125,482,606.95/200,430.21
  6. Step 6: Final answer
    x = 165,271.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.