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Finding the Fourth Proportional to 208,424.94, 313,055.87 and 124,349.13

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Solution

The fourth proportional to 208,424.94, 313,055.87 and 124,349.13 is: 186,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,424.94 : 313,055.87 = 124,349.13 : x
  2. Step 2: Convert to fraction form
    208,424.94/313,055.87 = 124,349.13/x
  3. Step 3: Cross multiply
    208,424.94x = 313,055.87 × 124,349.13
  4. Step 4: Simplify right side
    208,424.94x = 38,928,225,075.89
  5. Step 5: Solve for x
    x = 38,928,225,075.89/208,424.94
  6. Step 6: Final answer
    x = 186,773.35

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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.