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Finding the Fourth Proportional to 133,753,439.80, 186,872,178.20 and 133,753,439.80

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Solution

The fourth proportional to 133,753,439.80, 186,872,178.20 and 133,753,439.80 is: 186,872,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,753,439.80 : 186,872,178.20 = 133,753,439.80 : x
  2. Step 2: Convert to fraction form
    133,753,439.80/186,872,178.20 = 133,753,439.80/x
  3. Step 3: Cross multiply
    133,753,439.80x = 186,872,178.20 × 133,753,439.80
  4. Step 4: Simplify right side
    133,753,439.80x = 24,994,796,637,168,572
  5. Step 5: Solve for x
    x = 24,994,796,637,168,572/133,753,439.80
  6. Step 6: Final answer
    x = 186,872,178.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.