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Finding the Fourth Proportional to 92,113.63, 138,169.95 and 79,595.58

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Solution

The fourth proportional to 92,113.63, 138,169.95 and 79,595.58 is: 119,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,113.63 : 138,169.95 = 79,595.58 : x
  2. Step 2: Convert to fraction form
    92,113.63/138,169.95 = 79,595.58/x
  3. Step 3: Cross multiply
    92,113.63x = 138,169.95 × 79,595.58
  4. Step 4: Simplify right side
    92,113.63x = 10,997,717,308.82
  5. Step 5: Solve for x
    x = 10,997,717,308.82/92,113.63
  6. Step 6: Final answer
    x = 119,392.94

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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.