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Finding the Fourth Proportional to 171,653,363.60, 257,480,045.40 and 152,946,640.40

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Solution

The fourth proportional to 171,653,363.60, 257,480,045.40 and 152,946,640.40 is: 229,419,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,653,363.60 : 257,480,045.40 = 152,946,640.40 : x
  2. Step 2: Convert to fraction form
    171,653,363.60/257,480,045.40 = 152,946,640.40/x
  3. Step 3: Cross multiply
    171,653,363.60x = 257,480,045.40 × 152,946,640.40
  4. Step 4: Simplify right side
    171,653,363.60x = 39,380,707,913,969,480
  5. Step 5: Solve for x
    x = 39,380,707,913,969,480/171,653,363.60
  6. Step 6: Final answer
    x = 229,419,960.60

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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.