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Finding the Fourth Proportional to 114,103.04, 171,155.04 and 74,908.16

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Solution

The fourth proportional to 114,103.04, 171,155.04 and 74,908.16 is: 112,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,103.04 : 171,155.04 = 74,908.16 : x
  2. Step 2: Convert to fraction form
    114,103.04/171,155.04 = 74,908.16/x
  3. Step 3: Cross multiply
    114,103.04x = 171,155.04 × 74,908.16
  4. Step 4: Simplify right side
    114,103.04x = 12,820,909,121.13
  5. Step 5: Solve for x
    x = 12,820,909,121.13/114,103.04
  6. Step 6: Final answer
    x = 112,362.56

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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.