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Finding the Fourth Proportional to 117,760.70, 176,699.47 and 46,681.83

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Solution

The fourth proportional to 117,760.70, 176,699.47 and 46,681.83 is: 70,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,760.70 : 176,699.47 = 46,681.83 : x
  2. Step 2: Convert to fraction form
    117,760.70/176,699.47 = 46,681.83/x
  3. Step 3: Cross multiply
    117,760.70x = 176,699.47 × 46,681.83
  4. Step 4: Simplify right side
    117,760.70x = 8,248,654,502.93
  5. Step 5: Solve for x
    x = 8,248,654,502.93/117,760.70
  6. Step 6: Final answer
    x = 70,045.91

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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.