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Finding the Fourth Proportional to 239,514.69, 359,329.76 and 89,756.29

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Solution

The fourth proportional to 239,514.69, 359,329.76 and 89,756.29 is: 134,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,514.69 : 359,329.76 = 89,756.29 : x
  2. Step 2: Convert to fraction form
    239,514.69/359,329.76 = 89,756.29/x
  3. Step 3: Cross multiply
    239,514.69x = 359,329.76 × 89,756.29
  4. Step 4: Simplify right side
    239,514.69x = 32,252,103,898.76
  5. Step 5: Solve for x
    x = 32,252,103,898.76/239,514.69
  6. Step 6: Final answer
    x = 134,656.06

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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.