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Finding the Fourth Proportional to 201,746.70, 302,490.45 and 83,465.10

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Solution

The fourth proportional to 201,746.70, 302,490.45 and 83,465.10 is: 125,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,746.70 : 302,490.45 = 83,465.10 : x
  2. Step 2: Convert to fraction form
    201,746.70/302,490.45 = 83,465.10/x
  3. Step 3: Cross multiply
    201,746.70x = 302,490.45 × 83,465.10
  4. Step 4: Simplify right side
    201,746.70x = 25,247,395,658.30
  5. Step 5: Solve for x
    x = 25,247,395,658.30/201,746.70
  6. Step 6: Final answer
    x = 125,144.03

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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.