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Finding the Fourth Proportional to 117,341, 176,011.50 and 38,460.77

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Solution

The fourth proportional to 117,341, 176,011.50 and 38,460.77 is: 57,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,341 : 176,011.50 = 38,460.77 : x
  2. Step 2: Convert to fraction form
    117,341/176,011.50 = 38,460.77/x
  3. Step 3: Cross multiply
    117,341x = 176,011.50 × 38,460.77
  4. Step 4: Simplify right side
    117,341x = 6,769,537,818.86
  5. Step 5: Solve for x
    x = 6,769,537,818.86/117,341
  6. Step 6: Final answer
    x = 57,691.16

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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.