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Finding the Fourth Proportional to 124,397.53, 171,614.53 and 79,051.23

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Solution

The fourth proportional to 124,397.53, 171,614.53 and 79,051.23 is: 109,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,397.53 : 171,614.53 = 79,051.23 : x
  2. Step 2: Convert to fraction form
    124,397.53/171,614.53 = 79,051.23/x
  3. Step 3: Cross multiply
    124,397.53x = 171,614.53 × 79,051.23
  4. Step 4: Simplify right side
    124,397.53x = 13,566,339,682.37
  5. Step 5: Solve for x
    x = 13,566,339,682.37/124,397.53
  6. Step 6: Final answer
    x = 109,056.34

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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.