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Finding the Fourth Proportional to 176,335.23, 243,347.43 and 103,743.23

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Solution

The fourth proportional to 176,335.23, 243,347.43 and 103,743.23 is: 143,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,335.23 : 243,347.43 = 103,743.23 : x
  2. Step 2: Convert to fraction form
    176,335.23/243,347.43 = 103,743.23/x
  3. Step 3: Cross multiply
    176,335.23x = 243,347.43 × 103,743.23
  4. Step 4: Simplify right side
    176,335.23x = 25,245,648,400.40
  5. Step 5: Solve for x
    x = 25,245,648,400.40/176,335.23
  6. Step 6: Final answer
    x = 143,168.49

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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.