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Finding the Fourth Proportional to 147,679.86, 203,737.53 and 109,533.26

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Solution

The fourth proportional to 147,679.86, 203,737.53 and 109,533.26 is: 151,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,679.86 : 203,737.53 = 109,533.26 : x
  2. Step 2: Convert to fraction form
    147,679.86/203,737.53 = 109,533.26/x
  3. Step 3: Cross multiply
    147,679.86x = 203,737.53 × 109,533.26
  4. Step 4: Simplify right side
    147,679.86x = 22,316,036,149.22
  5. Step 5: Solve for x
    x = 22,316,036,149.22/147,679.86
  6. Step 6: Final answer
    x = 151,110.90

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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.