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Finding the Fourth Proportional to 201,672,425.70, 302,023,678.59 and 115,148,582.10

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Solution

The fourth proportional to 201,672,425.70, 302,023,678.59 and 115,148,582.10 is: 172,445,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,672,425.70 : 302,023,678.59 = 115,148,582.10 : x
  2. Step 2: Convert to fraction form
    201,672,425.70/302,023,678.59 = 115,148,582.10/x
  3. Step 3: Cross multiply
    201,672,425.70x = 302,023,678.59 × 115,148,582.10
  4. Step 4: Simplify right side
    201,672,425.70x = 34,777,598,350,264,624
  5. Step 5: Solve for x
    x = 34,777,598,350,264,624/201,672,425.70
  6. Step 6: Final answer
    x = 172,445,976.34

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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.