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Finding the Fourth Proportional to 191,167.49, 286,798.40 and 95,150.45

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Solution

The fourth proportional to 191,167.49, 286,798.40 and 95,150.45 is: 142,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,167.49 : 286,798.40 = 95,150.45 : x
  2. Step 2: Convert to fraction form
    191,167.49/286,798.40 = 95,150.45/x
  3. Step 3: Cross multiply
    191,167.49x = 286,798.40 × 95,150.45
  4. Step 4: Simplify right side
    191,167.49x = 27,288,994,909.54
  5. Step 5: Solve for x
    x = 27,288,994,909.54/191,167.49
  6. Step 6: Final answer
    x = 142,749.14

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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.