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Finding the Fourth Proportional to 173,431, 239,334.78 and 93,943

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Solution

The fourth proportional to 173,431, 239,334.78 and 93,943 is: 129,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,431 : 239,334.78 = 93,943 : x
  2. Step 2: Convert to fraction form
    173,431/239,334.78 = 93,943/x
  3. Step 3: Cross multiply
    173,431x = 239,334.78 × 93,943
  4. Step 4: Simplify right side
    173,431x = 22,483,827,237.54
  5. Step 5: Solve for x
    x = 22,483,827,237.54/173,431
  6. Step 6: Final answer
    x = 129,641.34

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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.