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Finding the Fourth Proportional to 201,606.84, 302,460.08 and 83,312.01

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Solution

The fourth proportional to 201,606.84, 302,460.08 and 83,312.01 is: 124,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,606.84 : 302,460.08 = 83,312.01 : x
  2. Step 2: Convert to fraction form
    201,606.84/302,460.08 = 83,312.01/x
  3. Step 3: Cross multiply
    201,606.84x = 302,460.08 × 83,312.01
  4. Step 4: Simplify right side
    201,606.84x = 25,198,556,793.00
  5. Step 5: Solve for x
    x = 25,198,556,793.00/201,606.84
  6. Step 6: Final answer
    x = 124,988.60

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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.