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Finding the Fourth Proportional to 229,755.52, 317,013.96 and 139,093.84

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Solution

The fourth proportional to 229,755.52, 317,013.96 and 139,093.84 is: 191,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,755.52 : 317,013.96 = 139,093.84 : x
  2. Step 2: Convert to fraction form
    229,755.52/317,013.96 = 139,093.84/x
  3. Step 3: Cross multiply
    229,755.52x = 317,013.96 × 139,093.84
  4. Step 4: Simplify right side
    229,755.52x = 44,094,689,030.01
  5. Step 5: Solve for x
    x = 44,094,689,030.01/229,755.52
  6. Step 6: Final answer
    x = 191,920.04

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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.