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Finding the Fourth Proportional to 176,408.86, 243,465.08 and 104,789.16

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Solution

The fourth proportional to 176,408.86, 243,465.08 and 104,789.16 is: 144,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,408.86 : 243,465.08 = 104,789.16 : x
  2. Step 2: Convert to fraction form
    176,408.86/243,465.08 = 104,789.16/x
  3. Step 3: Cross multiply
    176,408.86x = 243,465.08 × 104,789.16
  4. Step 4: Simplify right side
    176,408.86x = 25,512,501,222.53
  5. Step 5: Solve for x
    x = 25,512,501,222.53/176,408.86
  6. Step 6: Final answer
    x = 144,621.43

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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.