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Finding the Fourth Proportional to 179,457.78, 247,648.50 and 98,892.78

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Solution

The fourth proportional to 179,457.78, 247,648.50 and 98,892.78 is: 136,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,457.78 : 247,648.50 = 98,892.78 : x
  2. Step 2: Convert to fraction form
    179,457.78/247,648.50 = 98,892.78/x
  3. Step 3: Cross multiply
    179,457.78x = 247,648.50 × 98,892.78
  4. Step 4: Simplify right side
    179,457.78x = 24,490,648,627.83
  5. Step 5: Solve for x
    x = 24,490,648,627.83/179,457.78
  6. Step 6: Final answer
    x = 136,470.25

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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.