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Finding the Fourth Proportional to 459,663.48, 689,324.58 and 160,067.16

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Solution

The fourth proportional to 459,663.48, 689,324.58 and 160,067.16 is: 240,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,663.48 : 689,324.58 = 160,067.16 : x
  2. Step 2: Convert to fraction form
    459,663.48/689,324.58 = 160,067.16/x
  3. Step 3: Cross multiply
    459,663.48x = 689,324.58 × 160,067.16
  4. Step 4: Simplify right side
    459,663.48x = 110,338,227,838.79
  5. Step 5: Solve for x
    x = 110,338,227,838.79/459,663.48
  6. Step 6: Final answer
    x = 240,041.32

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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.