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Finding the Fourth Proportional to 165,254.69, 247,887.92 and 52,920.32

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Solution

The fourth proportional to 165,254.69, 247,887.92 and 52,920.32 is: 79,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,254.69 : 247,887.92 = 52,920.32 : x
  2. Step 2: Convert to fraction form
    165,254.69/247,887.92 = 52,920.32/x
  3. Step 3: Cross multiply
    165,254.69x = 247,887.92 × 52,920.32
  4. Step 4: Simplify right side
    165,254.69x = 13,118,306,943.40
  5. Step 5: Solve for x
    x = 13,118,306,943.40/165,254.69
  6. Step 6: Final answer
    x = 79,382.36

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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.