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Finding the Fourth Proportional to 173,502,005.80, 260,253,008.70 and 165,849,255.40

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Solution

The fourth proportional to 173,502,005.80, 260,253,008.70 and 165,849,255.40 is: 248,773,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,502,005.80 : 260,253,008.70 = 165,849,255.40 : x
  2. Step 2: Convert to fraction form
    173,502,005.80/260,253,008.70 = 165,849,255.40/x
  3. Step 3: Cross multiply
    173,502,005.80x = 260,253,008.70 × 165,849,255.40
  4. Step 4: Simplify right side
    173,502,005.80x = 43,162,767,708,504,720
  5. Step 5: Solve for x
    x = 43,162,767,708,504,720/173,502,005.80
  6. Step 6: Final answer
    x = 248,773,883.10

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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.