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Finding the Fourth Proportional to 59,795,848.80, 89,800,061.40 and 43,640,042.40

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Solution

The fourth proportional to 59,795,848.80, 89,800,061.40 and 43,640,042.40 is: 65,537,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,795,848.80 : 89,800,061.40 = 43,640,042.40 : x
  2. Step 2: Convert to fraction form
    59,795,848.80/89,800,061.40 = 43,640,042.40/x
  3. Step 3: Cross multiply
    59,795,848.80x = 89,800,061.40 × 43,640,042.40
  4. Step 4: Simplify right side
    59,795,848.80x = 3,918,878,487,018,603.50
  5. Step 5: Solve for x
    x = 3,918,878,487,018,603.50/59,795,848.80
  6. Step 6: Final answer
    x = 65,537,634.56

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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.