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Finding the Fourth Proportional to 163,312,353, 225,219,662.92 and 119,189,462.76

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Solution

The fourth proportional to 163,312,353, 225,219,662.92 and 119,189,462.76 is: 164,370,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312,353 : 225,219,662.92 = 119,189,462.76 : x
  2. Step 2: Convert to fraction form
    163,312,353/225,219,662.92 = 119,189,462.76/x
  3. Step 3: Cross multiply
    163,312,353x = 225,219,662.92 × 119,189,462.76
  4. Step 4: Simplify right side
    163,312,353x = 26,843,810,626,423,092
  5. Step 5: Solve for x
    x = 26,843,810,626,423,092/163,312,353
  6. Step 6: Final answer
    x = 164,370,974.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.