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Finding the Fourth Proportional to 108,054.89, 148,977.12 and 88,602.14

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Solution

The fourth proportional to 108,054.89, 148,977.12 and 88,602.14 is: 122,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,054.89 : 148,977.12 = 88,602.14 : x
  2. Step 2: Convert to fraction form
    108,054.89/148,977.12 = 88,602.14/x
  3. Step 3: Cross multiply
    108,054.89x = 148,977.12 × 88,602.14
  4. Step 4: Simplify right side
    108,054.89x = 13,199,691,643.04
  5. Step 5: Solve for x
    x = 13,199,691,643.04/108,054.89
  6. Step 6: Final answer
    x = 122,157.28

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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.