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Finding the Fourth Proportional to 114,975.40, 172,659.90 and 62,487.40

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Solution

The fourth proportional to 114,975.40, 172,659.90 and 62,487.40 is: 93,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,975.40 : 172,659.90 = 62,487.40 : x
  2. Step 2: Convert to fraction form
    114,975.40/172,659.90 = 62,487.40/x
  3. Step 3: Cross multiply
    114,975.40x = 172,659.90 × 62,487.40
  4. Step 4: Simplify right side
    114,975.40x = 10,789,068,235.26
  5. Step 5: Solve for x
    x = 10,789,068,235.26/114,975.40
  6. Step 6: Final answer
    x = 93,838.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.