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Finding the Fourth Proportional to 176,347.41, 243,374.44 and 99,880.11

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Solution

The fourth proportional to 176,347.41, 243,374.44 and 99,880.11 is: 137,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,347.41 : 243,374.44 = 99,880.11 : x
  2. Step 2: Convert to fraction form
    176,347.41/243,374.44 = 99,880.11/x
  3. Step 3: Cross multiply
    176,347.41x = 243,374.44 × 99,880.11
  4. Step 4: Simplify right side
    176,347.41x = 24,308,265,963.24
  5. Step 5: Solve for x
    x = 24,308,265,963.24/176,347.41
  6. Step 6: Final answer
    x = 137,843.05

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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.