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Finding the Fourth Proportional to 124,867.60, 172,317.03 and 67,506.94

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Solution

The fourth proportional to 124,867.60, 172,317.03 and 67,506.94 is: 93,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,867.60 : 172,317.03 = 67,506.94 : x
  2. Step 2: Convert to fraction form
    124,867.60/172,317.03 = 67,506.94/x
  3. Step 3: Cross multiply
    124,867.60x = 172,317.03 × 67,506.94
  4. Step 4: Simplify right side
    124,867.60x = 11,632,595,405.19
  5. Step 5: Solve for x
    x = 11,632,595,405.19/124,867.60
  6. Step 6: Final answer
    x = 93,159.44

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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.