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Finding the Fourth Proportional to 161,703,204.70, 242,554,807.05 and 161,703,204.70

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Solution

The fourth proportional to 161,703,204.70, 242,554,807.05 and 161,703,204.70 is: 242,554,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703,204.70 : 242,554,807.05 = 161,703,204.70 : x
  2. Step 2: Convert to fraction form
    161,703,204.70/242,554,807.05 = 161,703,204.70/x
  3. Step 3: Cross multiply
    161,703,204.70x = 242,554,807.05 × 161,703,204.70
  4. Step 4: Simplify right side
    161,703,204.70x = 39,221,889,615,375,152
  5. Step 5: Solve for x
    x = 39,221,889,615,375,152/161,703,204.70
  6. Step 6: Final answer
    x = 242,554,807.05

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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.