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Finding the Fourth Proportional to 115,926.80, 174,101.40 and 69,270.80

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Solution

The fourth proportional to 115,926.80, 174,101.40 and 69,270.80 is: 104,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,926.80 : 174,101.40 = 69,270.80 : x
  2. Step 2: Convert to fraction form
    115,926.80/174,101.40 = 69,270.80/x
  3. Step 3: Cross multiply
    115,926.80x = 174,101.40 × 69,270.80
  4. Step 4: Simplify right side
    115,926.80x = 12,060,143,259.12
  5. Step 5: Solve for x
    x = 12,060,143,259.12/115,926.80
  6. Step 6: Final answer
    x = 104,032.40

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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.