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Finding the Fourth Proportional to 176,104.88, 243,019.24 and 98,580.50

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Solution

The fourth proportional to 176,104.88, 243,019.24 and 98,580.50 is: 136,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,104.88 : 243,019.24 = 98,580.50 : x
  2. Step 2: Convert to fraction form
    176,104.88/243,019.24 = 98,580.50/x
  3. Step 3: Cross multiply
    176,104.88x = 243,019.24 × 98,580.50
  4. Step 4: Simplify right side
    176,104.88x = 23,956,958,188.82
  5. Step 5: Solve for x
    x = 23,956,958,188.82/176,104.88
  6. Step 6: Final answer
    x = 136,038.01

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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.