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Finding the Fourth Proportional to 267,145.02, 368,701.74 and 152,423.46

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Solution

The fourth proportional to 267,145.02, 368,701.74 and 152,423.46 is: 210,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,145.02 : 368,701.74 = 152,423.46 : x
  2. Step 2: Convert to fraction form
    267,145.02/368,701.74 = 152,423.46/x
  3. Step 3: Cross multiply
    267,145.02x = 368,701.74 × 152,423.46
  4. Step 4: Simplify right side
    267,145.02x = 56,198,794,918.82
  5. Step 5: Solve for x
    x = 56,198,794,918.82/267,145.02
  6. Step 6: Final answer
    x = 210,368.12

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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.