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Finding the Fourth Proportional to 176,455.76, 264,528.12 and 65,570

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Solution

The fourth proportional to 176,455.76, 264,528.12 and 65,570 is: 98,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,455.76 : 264,528.12 = 65,570 : x
  2. Step 2: Convert to fraction form
    176,455.76/264,528.12 = 65,570/x
  3. Step 3: Cross multiply
    176,455.76x = 264,528.12 × 65,570
  4. Step 4: Simplify right side
    176,455.76x = 17,345,108,828.40
  5. Step 5: Solve for x
    x = 17,345,108,828.40/176,455.76
  6. Step 6: Final answer
    x = 98,297.21

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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.