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Finding the Fourth Proportional to 124,606.20, 171,950.55 and 70,886.16

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Solution

The fourth proportional to 124,606.20, 171,950.55 and 70,886.16 is: 97,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,606.20 : 171,950.55 = 70,886.16 : x
  2. Step 2: Convert to fraction form
    124,606.20/171,950.55 = 70,886.16/x
  3. Step 3: Cross multiply
    124,606.20x = 171,950.55 × 70,886.16
  4. Step 4: Simplify right side
    124,606.20x = 12,188,914,199.39
  5. Step 5: Solve for x
    x = 12,188,914,199.39/124,606.20
  6. Step 6: Final answer
    x = 97,819.48

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