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Finding the Fourth Proportional to 179,702.40, 247,991.04 and 99,133.32

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Solution

The fourth proportional to 179,702.40, 247,991.04 and 99,133.32 is: 136,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,702.40 : 247,991.04 = 99,133.32 : x
  2. Step 2: Convert to fraction form
    179,702.40/247,991.04 = 99,133.32/x
  3. Step 3: Cross multiply
    179,702.40x = 247,991.04 × 99,133.32
  4. Step 4: Simplify right side
    179,702.40x = 24,584,175,125.45
  5. Step 5: Solve for x
    x = 24,584,175,125.45/179,702.40
  6. Step 6: Final answer
    x = 136,804.93

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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.