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Finding the Fourth Proportional to 176,532.80, 264,799.20 and 162,017.60

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Solution

The fourth proportional to 176,532.80, 264,799.20 and 162,017.60 is: 243,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,532.80 : 264,799.20 = 162,017.60 : x
  2. Step 2: Convert to fraction form
    176,532.80/264,799.20 = 162,017.60/x
  3. Step 3: Cross multiply
    176,532.80x = 264,799.20 × 162,017.60
  4. Step 4: Simplify right side
    176,532.80x = 42,902,130,865.92
  5. Step 5: Solve for x
    x = 42,902,130,865.92/176,532.80
  6. Step 6: Final answer
    x = 243,026.40

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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.