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Finding the Fourth Proportional to 171,369.76, 257,047.08 and 46,710.76

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Solution

The fourth proportional to 171,369.76, 257,047.08 and 46,710.76 is: 70,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,369.76 : 257,047.08 = 46,710.76 : x
  2. Step 2: Convert to fraction form
    171,369.76/257,047.08 = 46,710.76/x
  3. Step 3: Cross multiply
    171,369.76x = 257,047.08 × 46,710.76
  4. Step 4: Simplify right side
    171,369.76x = 12,006,864,462.58
  5. Step 5: Solve for x
    x = 12,006,864,462.58/171,369.76
  6. Step 6: Final answer
    x = 70,064.08

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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.