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Finding the Fourth Proportional to 134,335.66, 185,383.20 and 73,905.01

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Solution

The fourth proportional to 134,335.66, 185,383.20 and 73,905.01 is: 101,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,335.66 : 185,383.20 = 73,905.01 : x
  2. Step 2: Convert to fraction form
    134,335.66/185,383.20 = 73,905.01/x
  3. Step 3: Cross multiply
    134,335.66x = 185,383.20 × 73,905.01
  4. Step 4: Simplify right side
    134,335.66x = 13,700,746,322.92
  5. Step 5: Solve for x
    x = 13,700,746,322.92/134,335.66
  6. Step 6: Final answer
    x = 101,988.90

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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.