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Finding the Fourth Proportional to 176,555.20, 264,935.20 and 65,758.40

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Solution

The fourth proportional to 176,555.20, 264,935.20 and 65,758.40 is: 98,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,555.20 : 264,935.20 = 65,758.40 : x
  2. Step 2: Convert to fraction form
    176,555.20/264,935.20 = 65,758.40/x
  3. Step 3: Cross multiply
    176,555.20x = 264,935.20 × 65,758.40
  4. Step 4: Simplify right side
    176,555.20x = 17,421,714,855.68
  5. Step 5: Solve for x
    x = 17,421,714,855.68/176,555.20
  6. Step 6: Final answer
    x = 98,675.74

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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.