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Finding the Fourth Proportional to 185,064.13, 277,030 and 118,568.40

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Solution

The fourth proportional to 185,064.13, 277,030 and 118,568.40 is: 177,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,064.13 : 277,030 = 118,568.40 : x
  2. Step 2: Convert to fraction form
    185,064.13/277,030 = 118,568.40/x
  3. Step 3: Cross multiply
    185,064.13x = 277,030 × 118,568.40
  4. Step 4: Simplify right side
    185,064.13x = 32,847,003,852
  5. Step 5: Solve for x
    x = 32,847,003,852/185,064.13
  6. Step 6: Final answer
    x = 177,489.85

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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.