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Finding the Fourth Proportional to 165,224.40, 247,836.72 and 156,810.16

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Solution

The fourth proportional to 165,224.40, 247,836.72 and 156,810.16 is: 235,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,224.40 : 247,836.72 = 156,810.16 : x
  2. Step 2: Convert to fraction form
    165,224.40/247,836.72 = 156,810.16/x
  3. Step 3: Cross multiply
    165,224.40x = 247,836.72 × 156,810.16
  4. Step 4: Simplify right side
    165,224.40x = 38,863,315,717.08
  5. Step 5: Solve for x
    x = 38,863,315,717.08/165,224.40
  6. Step 6: Final answer
    x = 235,215.35

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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.