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Finding the Fourth Proportional to 84,880,585.88, 127,190,927.70 and 57,111,647.70

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Solution

The fourth proportional to 84,880,585.88, 127,190,927.70 and 57,111,647.70 is: 85,580,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,880,585.88 : 127,190,927.70 = 57,111,647.70 : x
  2. Step 2: Convert to fraction form
    84,880,585.88/127,190,927.70 = 57,111,647.70/x
  3. Step 3: Cross multiply
    84,880,585.88x = 127,190,927.70 × 57,111,647.70
  4. Step 4: Simplify right side
    84,880,585.88x = 7,264,083,453,915,537
  5. Step 5: Solve for x
    x = 7,264,083,453,915,537/84,880,585.88
  6. Step 6: Final answer
    x = 85,580,034.34

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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.