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Finding the Fourth Proportional to 176,921.70, 265,370.40 and 56,976.90

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Solution

The fourth proportional to 176,921.70, 265,370.40 and 56,976.90 is: 85,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,921.70 : 265,370.40 = 56,976.90 : x
  2. Step 2: Convert to fraction form
    176,921.70/265,370.40 = 56,976.90/x
  3. Step 3: Cross multiply
    176,921.70x = 265,370.40 × 56,976.90
  4. Step 4: Simplify right side
    176,921.70x = 15,119,982,743.76
  5. Step 5: Solve for x
    x = 15,119,982,743.76/176,921.70
  6. Step 6: Final answer
    x = 85,461.44

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1.5x scale

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.