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Finding the Fourth Proportional to 464,090.38, 696,136.19 and 127,134.03

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Solution

The fourth proportional to 464,090.38, 696,136.19 and 127,134.03 is: 190,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,090.38 : 696,136.19 = 127,134.03 : x
  2. Step 2: Convert to fraction form
    464,090.38/696,136.19 = 127,134.03/x
  3. Step 3: Cross multiply
    464,090.38x = 696,136.19 × 127,134.03
  4. Step 4: Simplify right side
    464,090.38x = 88,502,599,263.55
  5. Step 5: Solve for x
    x = 88,502,599,263.55/464,090.38
  6. Step 6: Final answer
    x = 190,701.21

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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.