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Finding the Fourth Proportional to 161,703,266.70, 242,554,900.05 and 64,610,964.30

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Solution

The fourth proportional to 161,703,266.70, 242,554,900.05 and 64,610,964.30 is: 96,916,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703,266.70 : 242,554,900.05 = 64,610,964.30 : x
  2. Step 2: Convert to fraction form
    161,703,266.70/242,554,900.05 = 64,610,964.30/x
  3. Step 3: Cross multiply
    161,703,266.70x = 242,554,900.05 × 64,610,964.30
  4. Step 4: Simplify right side
    161,703,266.70x = 15,671,705,987,920,618
  5. Step 5: Solve for x
    x = 15,671,705,987,920,618/161,703,266.70
  6. Step 6: Final answer
    x = 96,916,446.45

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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.