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Finding the Fourth Proportional to 173,855,797.80, 260,783,696.70 and 171,168,412.20

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Solution

The fourth proportional to 173,855,797.80, 260,783,696.70 and 171,168,412.20 is: 256,752,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,855,797.80 : 260,783,696.70 = 171,168,412.20 : x
  2. Step 2: Convert to fraction form
    173,855,797.80/260,783,696.70 = 171,168,412.20/x
  3. Step 3: Cross multiply
    173,855,797.80x = 260,783,696.70 × 171,168,412.20
  4. Step 4: Simplify right side
    173,855,797.80x = 44,637,931,291,785,376
  5. Step 5: Solve for x
    x = 44,637,931,291,785,376/173,855,797.80
  6. Step 6: Final answer
    x = 256,752,618.30

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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.