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Finding the Fourth Proportional to 222,897.93, 307,620.36 and 127,386.11

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Solution

The fourth proportional to 222,897.93, 307,620.36 and 127,386.11 is: 175,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,897.93 : 307,620.36 = 127,386.11 : x
  2. Step 2: Convert to fraction form
    222,897.93/307,620.36 = 127,386.11/x
  3. Step 3: Cross multiply
    222,897.93x = 307,620.36 × 127,386.11
  4. Step 4: Simplify right side
    222,897.93x = 39,186,559,479.10
  5. Step 5: Solve for x
    x = 39,186,559,479.10/222,897.93
  6. Step 6: Final answer
    x = 175,804.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.