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Finding the Fourth Proportional to 134,016,821.80, 187,240,913 and 134,016,821.80

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Solution

The fourth proportional to 134,016,821.80, 187,240,913 and 134,016,821.80 is: 187,240,913

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,016,821.80 : 187,240,913 = 134,016,821.80 : x
  2. Step 2: Convert to fraction form
    134,016,821.80/187,240,913 = 134,016,821.80/x
  3. Step 3: Cross multiply
    134,016,821.80x = 187,240,913 × 134,016,821.80
  4. Step 4: Simplify right side
    134,016,821.80x = 25,093,432,071,190,304
  5. Step 5: Solve for x
    x = 25,093,432,071,190,304/134,016,821.80
  6. Step 6: Final answer
    x = 187,240,913

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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.