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Finding the Fourth Proportional to 124,069.51, 171,169.53 and 73,051.05

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Solution

The fourth proportional to 124,069.51, 171,169.53 and 73,051.05 is: 100,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,069.51 : 171,169.53 = 73,051.05 : x
  2. Step 2: Convert to fraction form
    124,069.51/171,169.53 = 73,051.05/x
  3. Step 3: Cross multiply
    124,069.51x = 171,169.53 × 73,051.05
  4. Step 4: Simplify right side
    124,069.51x = 12,504,113,505.08
  5. Step 5: Solve for x
    x = 12,504,113,505.08/124,069.51
  6. Step 6: Final answer
    x = 100,783.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.