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Finding the Fourth Proportional to 134,006,530.80, 187,864,234.80 and 134,006,530.80

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Solution

The fourth proportional to 134,006,530.80, 187,864,234.80 and 134,006,530.80 is: 187,864,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,006,530.80 : 187,864,234.80 = 134,006,530.80 : x
  2. Step 2: Convert to fraction form
    134,006,530.80/187,864,234.80 = 134,006,530.80/x
  3. Step 3: Cross multiply
    134,006,530.80x = 187,864,234.80 × 134,006,530.80
  4. Step 4: Simplify right side
    134,006,530.80x = 25,175,034,366,944,632
  5. Step 5: Solve for x
    x = 25,175,034,366,944,632/134,006,530.80
  6. Step 6: Final answer
    x = 187,864,234.80

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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.