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Finding the Fourth Proportional to 155,125.61, 232,630.94 and 55,259.27

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Solution

The fourth proportional to 155,125.61, 232,630.94 and 55,259.27 is: 82,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,125.61 : 232,630.94 = 55,259.27 : x
  2. Step 2: Convert to fraction form
    155,125.61/232,630.94 = 55,259.27/x
  3. Step 3: Cross multiply
    155,125.61x = 232,630.94 × 55,259.27
  4. Step 4: Simplify right side
    155,125.61x = 12,855,014,484.36
  5. Step 5: Solve for x
    x = 12,855,014,484.36/155,125.61
  6. Step 6: Final answer
    x = 82,868.42

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1.5x scale

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.