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Finding the Fourth Proportional to 355,177.10, 532,708.08 and 130,482.26

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Solution

The fourth proportional to 355,177.10, 532,708.08 and 130,482.26 is: 195,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,177.10 : 532,708.08 = 130,482.26 : x
  2. Step 2: Convert to fraction form
    355,177.10/532,708.08 = 130,482.26/x
  3. Step 3: Cross multiply
    355,177.10x = 532,708.08 × 130,482.26
  4. Step 4: Simplify right side
    355,177.10x = 69,508,954,198.66
  5. Step 5: Solve for x
    x = 69,508,954,198.66/355,177.10
  6. Step 6: Final answer
    x = 195,702.24

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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.