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Finding the Fourth Proportional to 176,102.88, 243,016.48 and 98,578.50

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Solution

The fourth proportional to 176,102.88, 243,016.48 and 98,578.50 is: 136,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,102.88 : 243,016.48 = 98,578.50 : x
  2. Step 2: Convert to fraction form
    176,102.88/243,016.48 = 98,578.50/x
  3. Step 3: Cross multiply
    176,102.88x = 243,016.48 × 98,578.50
  4. Step 4: Simplify right side
    176,102.88x = 23,956,200,073.68
  5. Step 5: Solve for x
    x = 23,956,200,073.68/176,102.88
  6. Step 6: Final answer
    x = 136,035.25

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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.