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Finding the Fourth Proportional to 92,184.90, 127,206.96 and 51,345.90

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Solution

The fourth proportional to 92,184.90, 127,206.96 and 51,345.90 is: 70,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,184.90 : 127,206.96 = 51,345.90 : x
  2. Step 2: Convert to fraction form
    92,184.90/127,206.96 = 51,345.90/x
  3. Step 3: Cross multiply
    92,184.90x = 127,206.96 × 51,345.90
  4. Step 4: Simplify right side
    92,184.90x = 6,531,555,847.46
  5. Step 5: Solve for x
    x = 6,531,555,847.46/92,184.90
  6. Step 6: Final answer
    x = 70,852.77

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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.