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Finding the Fourth Proportional to 339,075.48, 508,527.57 and 125,726.16

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Solution

The fourth proportional to 339,075.48, 508,527.57 and 125,726.16 is: 188,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,075.48 : 508,527.57 = 125,726.16 : x
  2. Step 2: Convert to fraction form
    339,075.48/508,527.57 = 125,726.16/x
  3. Step 3: Cross multiply
    339,075.48x = 508,527.57 × 125,726.16
  4. Step 4: Simplify right side
    339,075.48x = 63,935,218,630.23
  5. Step 5: Solve for x
    x = 63,935,218,630.23/339,075.48
  6. Step 6: Final answer
    x = 188,557.48

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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.