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Finding the Fourth Proportional to 97,494.03, 134,412.11 and 87,529.51

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Solution

The fourth proportional to 97,494.03, 134,412.11 and 87,529.51 is: 120,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,494.03 : 134,412.11 = 87,529.51 : x
  2. Step 2: Convert to fraction form
    97,494.03/134,412.11 = 87,529.51/x
  3. Step 3: Cross multiply
    97,494.03x = 134,412.11 × 87,529.51
  4. Step 4: Simplify right side
    97,494.03x = 11,765,026,184.97
  5. Step 5: Solve for x
    x = 11,765,026,184.97/97,494.03
  6. Step 6: Final answer
    x = 120,674.32

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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.