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Finding the Fourth Proportional to 110,582.61, 152,588.61 and 65,262.48

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Solution

The fourth proportional to 110,582.61, 152,588.61 and 65,262.48 is: 90,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,582.61 : 152,588.61 = 65,262.48 : x
  2. Step 2: Convert to fraction form
    110,582.61/152,588.61 = 65,262.48/x
  3. Step 3: Cross multiply
    110,582.61x = 152,588.61 × 65,262.48
  4. Step 4: Simplify right side
    110,582.61x = 9,958,311,108.35
  5. Step 5: Solve for x
    x = 9,958,311,108.35/110,582.61
  6. Step 6: Final answer
    x = 90,053.14

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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.