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Finding the Fourth Proportional to 114,967.40, 172,647.90 and 62,479.40

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Solution

The fourth proportional to 114,967.40, 172,647.90 and 62,479.40 is: 93,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,967.40 : 172,647.90 = 62,479.40 : x
  2. Step 2: Convert to fraction form
    114,967.40/172,647.90 = 62,479.40/x
  3. Step 3: Cross multiply
    114,967.40x = 172,647.90 × 62,479.40
  4. Step 4: Simplify right side
    114,967.40x = 10,786,937,203.26
  5. Step 5: Solve for x
    x = 10,786,937,203.26/114,967.40
  6. Step 6: Final answer
    x = 93,826.05

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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.