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Finding the Fourth Proportional to 171,384.92, 257,089.62 and 53,041.04

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Solution

The fourth proportional to 171,384.92, 257,089.62 and 53,041.04 is: 79,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,384.92 : 257,089.62 = 53,041.04 : x
  2. Step 2: Convert to fraction form
    171,384.92/257,089.62 = 53,041.04/x
  3. Step 3: Cross multiply
    171,384.92x = 257,089.62 × 53,041.04
  4. Step 4: Simplify right side
    171,384.92x = 13,636,300,818.00
  5. Step 5: Solve for x
    x = 13,636,300,818.00/171,384.92
  6. Step 6: Final answer
    x = 79,565.35

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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.