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Finding the Fourth Proportional to 175,124.48, 241,674.72 and 99,680

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Solution

The fourth proportional to 175,124.48, 241,674.72 and 99,680 is: 137,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,124.48 : 241,674.72 = 99,680 : x
  2. Step 2: Convert to fraction form
    175,124.48/241,674.72 = 99,680/x
  3. Step 3: Cross multiply
    175,124.48x = 241,674.72 × 99,680
  4. Step 4: Simplify right side
    175,124.48x = 24,090,136,089.60
  5. Step 5: Solve for x
    x = 24,090,136,089.60/175,124.48
  6. Step 6: Final answer
    x = 137,560.07

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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.