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Finding the Fourth Proportional to 238,967.10, 358,450.65 and 72,755.10

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Solution

The fourth proportional to 238,967.10, 358,450.65 and 72,755.10 is: 109,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,967.10 : 358,450.65 = 72,755.10 : x
  2. Step 2: Convert to fraction form
    238,967.10/358,450.65 = 72,755.10/x
  3. Step 3: Cross multiply
    238,967.10x = 358,450.65 × 72,755.10
  4. Step 4: Simplify right side
    238,967.10x = 26,079,112,885.82
  5. Step 5: Solve for x
    x = 26,079,112,885.82/238,967.10
  6. Step 6: Final answer
    x = 109,132.65

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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.