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Finding the Fourth Proportional to 100,498.34, 150,550.42 and 58,289.76

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Solution

The fourth proportional to 100,498.34, 150,550.42 and 58,289.76 is: 87,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,498.34 : 150,550.42 = 58,289.76 : x
  2. Step 2: Convert to fraction form
    100,498.34/150,550.42 = 58,289.76/x
  3. Step 3: Cross multiply
    100,498.34x = 150,550.42 × 58,289.76
  4. Step 4: Simplify right side
    100,498.34x = 8,775,547,849.70
  5. Step 5: Solve for x
    x = 8,775,547,849.70/100,498.34
  6. Step 6: Final answer
    x = 87,320.33

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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.