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Finding the Fourth Proportional to 165,241.80, 247,878.90 and 52,893.72

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Solution

The fourth proportional to 165,241.80, 247,878.90 and 52,893.72 is: 79,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,241.80 : 247,878.90 = 52,893.72 : x
  2. Step 2: Convert to fraction form
    165,241.80/247,878.90 = 52,893.72/x
  3. Step 3: Cross multiply
    165,241.80x = 247,878.90 × 52,893.72
  4. Step 4: Simplify right side
    165,241.80x = 13,111,237,130.51
  5. Step 5: Solve for x
    x = 13,111,237,130.51/165,241.80
  6. Step 6: Final answer
    x = 79,345.77

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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.