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Finding the Fourth Proportional to 175,158, 241,718.31 and 99,706.50

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Solution

The fourth proportional to 175,158, 241,718.31 and 99,706.50 is: 137,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,158 : 241,718.31 = 99,706.50 : x
  2. Step 2: Convert to fraction form
    175,158/241,718.31 = 99,706.50/x
  3. Step 3: Cross multiply
    175,158x = 241,718.31 × 99,706.50
  4. Step 4: Simplify right side
    175,158x = 24,100,886,676.02
  5. Step 5: Solve for x
    x = 24,100,886,676.02/175,158
  6. Step 6: Final answer
    x = 137,595.12

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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.