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Finding the Fourth Proportional to 201,372.93, 302,043.58 and 117,079.36

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Solution

The fourth proportional to 201,372.93, 302,043.58 and 117,079.36 is: 175,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,372.93 : 302,043.58 = 117,079.36 : x
  2. Step 2: Convert to fraction form
    201,372.93/302,043.58 = 117,079.36/x
  3. Step 3: Cross multiply
    201,372.93x = 302,043.58 × 117,079.36
  4. Step 4: Simplify right side
    201,372.93x = 35,363,069,038.51
  5. Step 5: Solve for x
    x = 35,363,069,038.51/201,372.93
  6. Step 6: Final answer
    x = 175,609.85

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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.