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Finding the Fourth Proportional to 124,354.36, 171,666.30 and 73,349.74

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Solution

The fourth proportional to 124,354.36, 171,666.30 and 73,349.74 is: 101,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,354.36 : 171,666.30 = 73,349.74 : x
  2. Step 2: Convert to fraction form
    124,354.36/171,666.30 = 73,349.74/x
  3. Step 3: Cross multiply
    124,354.36x = 171,666.30 × 73,349.74
  4. Step 4: Simplify right side
    124,354.36x = 12,591,678,471.76
  5. Step 5: Solve for x
    x = 12,591,678,471.76/124,354.36
  6. Step 6: Final answer
    x = 101,256.43

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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.