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Finding the Fourth Proportional to 173,588.76, 239,549.32 and 98,137.28

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Solution

The fourth proportional to 173,588.76, 239,549.32 and 98,137.28 is: 135,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,588.76 : 239,549.32 = 98,137.28 : x
  2. Step 2: Convert to fraction form
    173,588.76/239,549.32 = 98,137.28/x
  3. Step 3: Cross multiply
    173,588.76x = 239,549.32 × 98,137.28
  4. Step 4: Simplify right side
    173,588.76x = 23,508,718,690.65
  5. Step 5: Solve for x
    x = 23,508,718,690.65/173,588.76
  6. Step 6: Final answer
    x = 135,427.65

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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.