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Finding the Fourth Proportional to 97,107.89, 134,009.10 and 54,087.03

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Solution

The fourth proportional to 97,107.89, 134,009.10 and 54,087.03 is: 74,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,107.89 : 134,009.10 = 54,087.03 : x
  2. Step 2: Convert to fraction form
    97,107.89/134,009.10 = 54,087.03/x
  3. Step 3: Cross multiply
    97,107.89x = 134,009.10 × 54,087.03
  4. Step 4: Simplify right side
    97,107.89x = 7,248,154,211.97
  5. Step 5: Solve for x
    x = 7,248,154,211.97/97,107.89
  6. Step 6: Final answer
    x = 74,640.22

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1.5x scale

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.