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Finding the Fourth Proportional to 158,265.60, 237,360 and 53,057.28

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Solution

The fourth proportional to 158,265.60, 237,360 and 53,057.28 is: 79,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,265.60 : 237,360 = 53,057.28 : x
  2. Step 2: Convert to fraction form
    158,265.60/237,360 = 53,057.28/x
  3. Step 3: Cross multiply
    158,265.60x = 237,360 × 53,057.28
  4. Step 4: Simplify right side
    158,265.60x = 12,593,675,980.80
  5. Step 5: Solve for x
    x = 12,593,675,980.80/158,265.60
  6. Step 6: Final answer
    x = 79,573.05

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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.