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Finding the Fourth Proportional to 115,967.74, 174,017.22 and 49,400.92

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Solution

The fourth proportional to 115,967.74, 174,017.22 and 49,400.92 is: 74,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,967.74 : 174,017.22 = 49,400.92 : x
  2. Step 2: Convert to fraction form
    115,967.74/174,017.22 = 49,400.92/x
  3. Step 3: Cross multiply
    115,967.74x = 174,017.22 × 49,400.92
  4. Step 4: Simplify right side
    115,967.74x = 8,596,610,763.84
  5. Step 5: Solve for x
    x = 8,596,610,763.84/115,967.74
  6. Step 6: Final answer
    x = 74,129.33

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1.5x scale

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.