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Finding the Fourth Proportional to 96,312.90, 144,469.80 and 33,983.40

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Solution

The fourth proportional to 96,312.90, 144,469.80 and 33,983.40 is: 50,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,312.90 : 144,469.80 = 33,983.40 : x
  2. Step 2: Convert to fraction form
    96,312.90/144,469.80 = 33,983.40/x
  3. Step 3: Cross multiply
    96,312.90x = 144,469.80 × 33,983.40
  4. Step 4: Simplify right side
    96,312.90x = 4,909,575,001.32
  5. Step 5: Solve for x
    x = 4,909,575,001.32/96,312.90
  6. Step 6: Final answer
    x = 50,975.26

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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.