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Finding the Fourth Proportional to 114,657.76, 172,035.92 and 59,292.64

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Solution

The fourth proportional to 114,657.76, 172,035.92 and 59,292.64 is: 88,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,657.76 : 172,035.92 = 59,292.64 : x
  2. Step 2: Convert to fraction form
    114,657.76/172,035.92 = 59,292.64/x
  3. Step 3: Cross multiply
    114,657.76x = 172,035.92 × 59,292.64
  4. Step 4: Simplify right side
    114,657.76x = 10,200,463,871.63
  5. Step 5: Solve for x
    x = 10,200,463,871.63/114,657.76
  6. Step 6: Final answer
    x = 88,964.44

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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.