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Finding the Fourth Proportional to 208,009.52, 312,014.96 and 58,250.59

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Solution

The fourth proportional to 208,009.52, 312,014.96 and 58,250.59 is: 87,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,009.52 : 312,014.96 = 58,250.59 : x
  2. Step 2: Convert to fraction form
    208,009.52/312,014.96 = 58,250.59/x
  3. Step 3: Cross multiply
    208,009.52x = 312,014.96 × 58,250.59
  4. Step 4: Simplify right side
    208,009.52x = 18,175,056,574.89
  5. Step 5: Solve for x
    x = 18,175,056,574.89/208,009.52
  6. Step 6: Final answer
    x = 87,376.08

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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.