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Finding the Fourth Proportional to 165,242.88, 247,899.52 and 46,950.40

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Solution

The fourth proportional to 165,242.88, 247,899.52 and 46,950.40 is: 70,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,242.88 : 247,899.52 = 46,950.40 : x
  2. Step 2: Convert to fraction form
    165,242.88/247,899.52 = 46,950.40/x
  3. Step 3: Cross multiply
    165,242.88x = 247,899.52 × 46,950.40
  4. Step 4: Simplify right side
    165,242.88x = 11,638,981,623.81
  5. Step 5: Solve for x
    x = 11,638,981,623.81/165,242.88
  6. Step 6: Final answer
    x = 70,435.60

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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.