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Finding the Fourth Proportional to 114,985.40, 172,674.90 and 62,497.40

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Solution

The fourth proportional to 114,985.40, 172,674.90 and 62,497.40 is: 93,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,985.40 : 172,674.90 = 62,497.40 : x
  2. Step 2: Convert to fraction form
    114,985.40/172,674.90 = 62,497.40/x
  3. Step 3: Cross multiply
    114,985.40x = 172,674.90 × 62,497.40
  4. Step 4: Simplify right side
    114,985.40x = 10,791,732,295.26
  5. Step 5: Solve for x
    x = 10,791,732,295.26/114,985.40
  6. Step 6: Final answer
    x = 93,853.07

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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.