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Finding the Fourth Proportional to 117,597.58, 176,385.96 and 42,718.37

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Solution

The fourth proportional to 117,597.58, 176,385.96 and 42,718.37 is: 64,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,597.58 : 176,385.96 = 42,718.37 : x
  2. Step 2: Convert to fraction form
    117,597.58/176,385.96 = 42,718.37/x
  3. Step 3: Cross multiply
    117,597.58x = 176,385.96 × 42,718.37
  4. Step 4: Simplify right side
    117,597.58x = 7,534,919,820.16
  5. Step 5: Solve for x
    x = 7,534,919,820.16/117,597.58
  6. Step 6: Final answer
    x = 64,073.77

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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.