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Finding the Fourth Proportional to 240,730.69, 332,207.76 and 138,755.34

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Solution

The fourth proportional to 240,730.69, 332,207.76 and 138,755.34 is: 191,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,730.69 : 332,207.76 = 138,755.34 : x
  2. Step 2: Convert to fraction form
    240,730.69/332,207.76 = 138,755.34/x
  3. Step 3: Cross multiply
    240,730.69x = 332,207.76 × 138,755.34
  4. Step 4: Simplify right side
    240,730.69x = 46,095,600,689.44
  5. Step 5: Solve for x
    x = 46,095,600,689.44/240,730.69
  6. Step 6: Final answer
    x = 191,482.03

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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.