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Finding the Fourth Proportional to 175,176, 241,743.15 and 99,724.50

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Solution

The fourth proportional to 175,176, 241,743.15 and 99,724.50 is: 137,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,176 : 241,743.15 = 99,724.50 : x
  2. Step 2: Convert to fraction form
    175,176/241,743.15 = 99,724.50/x
  3. Step 3: Cross multiply
    175,176x = 241,743.15 × 99,724.50
  4. Step 4: Simplify right side
    175,176x = 24,107,714,762.18
  5. Step 5: Solve for x
    x = 24,107,714,762.18/175,176
  6. Step 6: Final answer
    x = 137,619.96

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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.