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Finding the Fourth Proportional to 106,599.68, 147,120 and 88,663.04

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Solution

The fourth proportional to 106,599.68, 147,120 and 88,663.04 is: 122,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,599.68 : 147,120 = 88,663.04 : x
  2. Step 2: Convert to fraction form
    106,599.68/147,120 = 88,663.04/x
  3. Step 3: Cross multiply
    106,599.68x = 147,120 × 88,663.04
  4. Step 4: Simplify right side
    106,599.68x = 13,044,106,444.80
  5. Step 5: Solve for x
    x = 13,044,106,444.80/106,599.68
  6. Step 6: Final answer
    x = 122,365.34

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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.