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Finding the Fourth Proportional to 124,064.79, 171,208.94 and 67,477.11

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Solution

The fourth proportional to 124,064.79, 171,208.94 and 67,477.11 is: 93,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,064.79 : 171,208.94 = 67,477.11 : x
  2. Step 2: Convert to fraction form
    124,064.79/171,208.94 = 67,477.11/x
  3. Step 3: Cross multiply
    124,064.79x = 171,208.94 × 67,477.11
  4. Step 4: Simplify right side
    124,064.79x = 11,552,684,139.98
  5. Step 5: Solve for x
    x = 11,552,684,139.98/124,064.79
  6. Step 6: Final answer
    x = 93,118.15

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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.