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Finding the Fourth Proportional to 104,732.69, 157,246.65 and 75,134.39

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Solution

The fourth proportional to 104,732.69, 157,246.65 and 75,134.39 is: 112,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,732.69 : 157,246.65 = 75,134.39 : x
  2. Step 2: Convert to fraction form
    104,732.69/157,246.65 = 75,134.39/x
  3. Step 3: Cross multiply
    104,732.69x = 157,246.65 × 75,134.39
  4. Step 4: Simplify right side
    104,732.69x = 11,814,630,341.06
  5. Step 5: Solve for x
    x = 11,814,630,341.06/104,732.69
  6. Step 6: Final answer
    x = 112,807.48

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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.