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Finding the Fourth Proportional to 161,835,455.20, 242,753,182.80 and 161,835,455.20

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Solution

The fourth proportional to 161,835,455.20, 242,753,182.80 and 161,835,455.20 is: 242,753,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,835,455.20 : 242,753,182.80 = 161,835,455.20 : x
  2. Step 2: Convert to fraction form
    161,835,455.20/242,753,182.80 = 161,835,455.20/x
  3. Step 3: Cross multiply
    161,835,455.20x = 242,753,182.80 × 161,835,455.20
  4. Step 4: Simplify right side
    161,835,455.20x = 39,286,071,839,686,808
  5. Step 5: Solve for x
    x = 39,286,071,839,686,808/161,835,455.20
  6. Step 6: Final answer
    x = 242,753,182.80

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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.