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Finding the Fourth Proportional to 267,173.94, 400,830.63 and 117,443.72

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Solution

The fourth proportional to 267,173.94, 400,830.63 and 117,443.72 is: 176,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,173.94 : 400,830.63 = 117,443.72 : x
  2. Step 2: Convert to fraction form
    267,173.94/400,830.63 = 117,443.72/x
  3. Step 3: Cross multiply
    267,173.94x = 400,830.63 × 117,443.72
  4. Step 4: Simplify right side
    267,173.94x = 47,075,040,838.81
  5. Step 5: Solve for x
    x = 47,075,040,838.81/267,173.94
  6. Step 6: Final answer
    x = 176,196.23

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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.