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Finding the Fourth Proportional to 173,502,001.80, 260,253,002.70 and 165,849,251.40

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Solution

The fourth proportional to 173,502,001.80, 260,253,002.70 and 165,849,251.40 is: 248,773,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,502,001.80 : 260,253,002.70 = 165,849,251.40 : x
  2. Step 2: Convert to fraction form
    173,502,001.80/260,253,002.70 = 165,849,251.40/x
  3. Step 3: Cross multiply
    173,502,001.80x = 260,253,002.70 × 165,849,251.40
  4. Step 4: Simplify right side
    173,502,001.80x = 43,162,765,672,397,176
  5. Step 5: Solve for x
    x = 43,162,765,672,397,176/173,502,001.80
  6. Step 6: Final answer
    x = 248,773,877.10

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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.