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Finding the Fourth Proportional to 172,528.65, 258,710.94 and 60,195.27

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Solution

The fourth proportional to 172,528.65, 258,710.94 and 60,195.27 is: 90,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,528.65 : 258,710.94 = 60,195.27 : x
  2. Step 2: Convert to fraction form
    172,528.65/258,710.94 = 60,195.27/x
  3. Step 3: Cross multiply
    172,528.65x = 258,710.94 × 60,195.27
  4. Step 4: Simplify right side
    172,528.65x = 15,573,174,885.25
  5. Step 5: Solve for x
    x = 15,573,174,885.25/172,528.65
  6. Step 6: Final answer
    x = 90,264.28

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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.