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Finding the Fourth Proportional to 183,490.92, 274,877.88 and 126,430.28

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Solution

The fourth proportional to 183,490.92, 274,877.88 and 126,430.28 is: 189,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,490.92 : 274,877.88 = 126,430.28 : x
  2. Step 2: Convert to fraction form
    183,490.92/274,877.88 = 126,430.28/x
  3. Step 3: Cross multiply
    183,490.92x = 274,877.88 × 126,430.28
  4. Step 4: Simplify right side
    183,490.92x = 34,752,887,334.21
  5. Step 5: Solve for x
    x = 34,752,887,334.21/183,490.92
  6. Step 6: Final answer
    x = 189,398.40

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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.