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Finding the Fourth Proportional to 346,577.02, 519,915.11 and 106,711.21

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Solution

The fourth proportional to 346,577.02, 519,915.11 and 106,711.21 is: 160,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,577.02 : 519,915.11 = 106,711.21 : x
  2. Step 2: Convert to fraction form
    346,577.02/519,915.11 = 106,711.21/x
  3. Step 3: Cross multiply
    346,577.02x = 519,915.11 × 106,711.21
  4. Step 4: Simplify right side
    346,577.02x = 55,480,770,485.38
  5. Step 5: Solve for x
    x = 55,480,770,485.38/346,577.02
  6. Step 6: Final answer
    x = 160,082.08

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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.