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Finding the Fourth Proportional to 172,236.17, 258,304.04 and 67,030.13

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Solution

The fourth proportional to 172,236.17, 258,304.04 and 67,030.13 is: 100,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,236.17 : 258,304.04 = 67,030.13 : x
  2. Step 2: Convert to fraction form
    172,236.17/258,304.04 = 67,030.13/x
  3. Step 3: Cross multiply
    172,236.17x = 258,304.04 × 67,030.13
  4. Step 4: Simplify right side
    172,236.17x = 17,314,153,045.57
  5. Step 5: Solve for x
    x = 17,314,153,045.57/172,236.17
  6. Step 6: Final answer
    x = 100,525.65

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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.