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Finding the Fourth Proportional to 191,510.01, 287,306.19 and 95,499.54

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Solution

The fourth proportional to 191,510.01, 287,306.19 and 95,499.54 is: 143,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,510.01 : 287,306.19 = 95,499.54 : x
  2. Step 2: Convert to fraction form
    191,510.01/287,306.19 = 95,499.54/x
  3. Step 3: Cross multiply
    191,510.01x = 287,306.19 × 95,499.54
  4. Step 4: Simplify right side
    191,510.01x = 27,437,608,984.15
  5. Step 5: Solve for x
    x = 27,437,608,984.15/191,510.01
  6. Step 6: Final answer
    x = 143,269.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.