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Finding the Fourth Proportional to 461,359.58, 692,139.67 and 141,512.72

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Solution

The fourth proportional to 461,359.58, 692,139.67 and 141,512.72 is: 212,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,359.58 : 692,139.67 = 141,512.72 : x
  2. Step 2: Convert to fraction form
    461,359.58/692,139.67 = 141,512.72/x
  3. Step 3: Cross multiply
    461,359.58x = 692,139.67 × 141,512.72
  4. Step 4: Simplify right side
    461,359.58x = 97,946,563,507.12
  5. Step 5: Solve for x
    x = 97,946,563,507.12/461,359.58
  6. Step 6: Final answer
    x = 212,299.84

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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.