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Finding the Fourth Proportional to 191,999.34, 264,957.23 and 105,959.12

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Solution

The fourth proportional to 191,999.34, 264,957.23 and 105,959.12 is: 146,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,999.34 : 264,957.23 = 105,959.12 : x
  2. Step 2: Convert to fraction form
    191,999.34/264,957.23 = 105,959.12/x
  3. Step 3: Cross multiply
    191,999.34x = 264,957.23 × 105,959.12
  4. Step 4: Simplify right side
    191,999.34x = 28,074,633,073.86
  5. Step 5: Solve for x
    x = 28,074,633,073.86/191,999.34
  6. Step 6: Final answer
    x = 146,222.55

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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.