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Finding the Fourth Proportional to 179,374.74, 247,538.88 and 98,802.60

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Solution

The fourth proportional to 179,374.74, 247,538.88 and 98,802.60 is: 136,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,374.74 : 247,538.88 = 98,802.60 : x
  2. Step 2: Convert to fraction form
    179,374.74/247,538.88 = 98,802.60/x
  3. Step 3: Cross multiply
    179,374.74x = 247,538.88 × 98,802.60
  4. Step 4: Simplify right side
    179,374.74x = 24,457,484,945.09
  5. Step 5: Solve for x
    x = 24,457,484,945.09/179,374.74
  6. Step 6: Final answer
    x = 136,348.55

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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.