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Finding the Fourth Proportional to 165,934,000.80, 248,688,424.80 and 147,652,430.40

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Solution

The fourth proportional to 165,934,000.80, 248,688,424.80 and 147,652,430.40 is: 221,289,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,934,000.80 : 248,688,424.80 = 147,652,430.40 : x
  2. Step 2: Convert to fraction form
    165,934,000.80/248,688,424.80 = 147,652,430.40/x
  3. Step 3: Cross multiply
    165,934,000.80x = 248,688,424.80 × 147,652,430.40
  4. Step 4: Simplify right side
    165,934,000.80x = 36,719,450,334,067,640
  5. Step 5: Solve for x
    x = 36,719,450,334,067,640/165,934,000.80
  6. Step 6: Final answer
    x = 221,289,489.54

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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.