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Finding the Fourth Proportional to 110,560, 152,572.66 and 60,259

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Solution

The fourth proportional to 110,560, 152,572.66 and 60,259 is: 83,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,560 : 152,572.66 = 60,259 : x
  2. Step 2: Convert to fraction form
    110,560/152,572.66 = 60,259/x
  3. Step 3: Cross multiply
    110,560x = 152,572.66 × 60,259
  4. Step 4: Simplify right side
    110,560x = 9,193,875,918.94
  5. Step 5: Solve for x
    x = 9,193,875,918.94/110,560
  6. Step 6: Final answer
    x = 83,157.34

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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.