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Finding the Fourth Proportional to 124,368.84, 171,633.63 and 70,662.96

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Solution

The fourth proportional to 124,368.84, 171,633.63 and 70,662.96 is: 97,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,368.84 : 171,633.63 = 70,662.96 : x
  2. Step 2: Convert to fraction form
    124,368.84/171,633.63 = 70,662.96/x
  3. Step 3: Cross multiply
    124,368.84x = 171,633.63 × 70,662.96
  4. Step 4: Simplify right side
    124,368.84x = 12,128,140,113.61
  5. Step 5: Solve for x
    x = 12,128,140,113.61/124,368.84
  6. Step 6: Final answer
    x = 97,517.51

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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.