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Finding the Fourth Proportional to 118,886.52, 178,340.76 and 43,004.04

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Solution

The fourth proportional to 118,886.52, 178,340.76 and 43,004.04 is: 64,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,886.52 : 178,340.76 = 43,004.04 : x
  2. Step 2: Convert to fraction form
    118,886.52/178,340.76 = 43,004.04/x
  3. Step 3: Cross multiply
    118,886.52x = 178,340.76 × 43,004.04
  4. Step 4: Simplify right side
    118,886.52x = 7,669,373,176.67
  5. Step 5: Solve for x
    x = 7,669,373,176.67/118,886.52
  6. Step 6: Final answer
    x = 64,510.03

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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.