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Finding the Fourth Proportional to 191,995.60, 264,951.63 and 105,955.24

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Solution

The fourth proportional to 191,995.60, 264,951.63 and 105,955.24 is: 146,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,995.60 : 264,951.63 = 105,955.24 : x
  2. Step 2: Convert to fraction form
    191,995.60/264,951.63 = 105,955.24/x
  3. Step 3: Cross multiply
    191,995.60x = 264,951.63 × 105,955.24
  4. Step 4: Simplify right side
    191,995.60x = 28,073,013,545.04
  5. Step 5: Solve for x
    x = 28,073,013,545.04/191,995.60
  6. Step 6: Final answer
    x = 146,216.96

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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.