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Finding the Fourth Proportional to 191,177.01, 286,597.85 and 72,769.59

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Solution

The fourth proportional to 191,177.01, 286,597.85 and 72,769.59 is: 109,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,177.01 : 286,597.85 = 72,769.59 : x
  2. Step 2: Convert to fraction form
    191,177.01/286,597.85 = 72,769.59/x
  3. Step 3: Cross multiply
    191,177.01x = 286,597.85 × 72,769.59
  4. Step 4: Simplify right side
    191,177.01x = 20,855,607,675.53
  5. Step 5: Solve for x
    x = 20,855,607,675.53/191,177.01
  6. Step 6: Final answer
    x = 109,090.56

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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.