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Finding the Fourth Proportional to 156,763.69, 216,334.29 and 92,235.34

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Solution

The fourth proportional to 156,763.69, 216,334.29 and 92,235.34 is: 127,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,763.69 : 216,334.29 = 92,235.34 : x
  2. Step 2: Convert to fraction form
    156,763.69/216,334.29 = 92,235.34/x
  3. Step 3: Cross multiply
    156,763.69x = 216,334.29 × 92,235.34
  4. Step 4: Simplify right side
    156,763.69x = 19,953,667,408.11
  5. Step 5: Solve for x
    x = 19,953,667,408.11/156,763.69
  6. Step 6: Final answer
    x = 127,285.01

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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.