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Finding the Fourth Proportional to 201,123.90, 301,751.47 and 95,929.20

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Solution

The fourth proportional to 201,123.90, 301,751.47 and 95,929.20 is: 143,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,123.90 : 301,751.47 = 95,929.20 : x
  2. Step 2: Convert to fraction form
    201,123.90/301,751.47 = 95,929.20/x
  3. Step 3: Cross multiply
    201,123.90x = 301,751.47 × 95,929.20
  4. Step 4: Simplify right side
    201,123.90x = 28,946,777,115.92
  5. Step 5: Solve for x
    x = 28,946,777,115.92/201,123.90
  6. Step 6: Final answer
    x = 143,925.10

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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.