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Finding the Fourth Proportional to 176,585.70, 264,866.40 and 56,640.90

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Solution

The fourth proportional to 176,585.70, 264,866.40 and 56,640.90 is: 84,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,585.70 : 264,866.40 = 56,640.90 : x
  2. Step 2: Convert to fraction form
    176,585.70/264,866.40 = 56,640.90/x
  3. Step 3: Cross multiply
    176,585.70x = 264,866.40 × 56,640.90
  4. Step 4: Simplify right side
    176,585.70x = 15,002,271,275.76
  5. Step 5: Solve for x
    x = 15,002,271,275.76/176,585.70
  6. Step 6: Final answer
    x = 84,957.45

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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.