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Finding the Fourth Proportional to 176,710.70, 243,855.18 and 96,136.16

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Solution

The fourth proportional to 176,710.70, 243,855.18 and 96,136.16 is: 132,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,710.70 : 243,855.18 = 96,136.16 : x
  2. Step 2: Convert to fraction form
    176,710.70/243,855.18 = 96,136.16/x
  3. Step 3: Cross multiply
    176,710.70x = 243,855.18 × 96,136.16
  4. Step 4: Simplify right side
    176,710.70x = 23,443,300,601.31
  5. Step 5: Solve for x
    x = 23,443,300,601.31/176,710.70
  6. Step 6: Final answer
    x = 132,664.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.