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Finding the Fourth Proportional to 202,984.60, 304,476.90 and 98,008.60

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Solution

The fourth proportional to 202,984.60, 304,476.90 and 98,008.60 is: 147,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,984.60 : 304,476.90 = 98,008.60 : x
  2. Step 2: Convert to fraction form
    202,984.60/304,476.90 = 98,008.60/x
  3. Step 3: Cross multiply
    202,984.60x = 304,476.90 × 98,008.60
  4. Step 4: Simplify right side
    202,984.60x = 29,841,354,701.34
  5. Step 5: Solve for x
    x = 29,841,354,701.34/202,984.60
  6. Step 6: Final answer
    x = 147,012.90

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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.