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Finding the Fourth Proportional to 191,505.98, 264,391.41 and 170,223.72

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Solution

The fourth proportional to 191,505.98, 264,391.41 and 170,223.72 is: 235,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505.98 : 264,391.41 = 170,223.72 : x
  2. Step 2: Convert to fraction form
    191,505.98/264,391.41 = 170,223.72/x
  3. Step 3: Cross multiply
    191,505.98x = 264,391.41 × 170,223.72
  4. Step 4: Simplify right side
    191,505.98x = 45,005,689,346.25
  5. Step 5: Solve for x
    x = 45,005,689,346.25/191,505.98
  6. Step 6: Final answer
    x = 235,009.32

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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.