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Finding the Fourth Proportional to 233,640.52, 322,423.70 and 126,210.52

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Solution

The fourth proportional to 233,640.52, 322,423.70 and 126,210.52 is: 174,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,640.52 : 322,423.70 = 126,210.52 : x
  2. Step 2: Convert to fraction form
    233,640.52/322,423.70 = 126,210.52/x
  3. Step 3: Cross multiply
    233,640.52x = 322,423.70 × 126,210.52
  4. Step 4: Simplify right side
    233,640.52x = 40,693,262,837.32
  5. Step 5: Solve for x
    x = 40,693,262,837.32/233,640.52
  6. Step 6: Final answer
    x = 174,170.40

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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.