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Finding the Fourth Proportional to 135,065.30, 202,330.65 and 118,444.10

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Solution

The fourth proportional to 135,065.30, 202,330.65 and 118,444.10 is: 177,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,065.30 : 202,330.65 = 118,444.10 : x
  2. Step 2: Convert to fraction form
    135,065.30/202,330.65 = 118,444.10/x
  3. Step 3: Cross multiply
    135,065.30x = 202,330.65 × 118,444.10
  4. Step 4: Simplify right side
    135,065.30x = 23,964,871,741.67
  5. Step 5: Solve for x
    x = 23,964,871,741.67/135,065.30
  6. Step 6: Final answer
    x = 177,431.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.