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Finding the Fourth Proportional to 153,884.54, 212,364.24 and 96,526.29

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Solution

The fourth proportional to 153,884.54, 212,364.24 and 96,526.29 is: 133,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,884.54 : 212,364.24 = 96,526.29 : x
  2. Step 2: Convert to fraction form
    153,884.54/212,364.24 = 96,526.29/x
  3. Step 3: Cross multiply
    153,884.54x = 212,364.24 × 96,526.29
  4. Step 4: Simplify right side
    153,884.54x = 20,498,732,215.87
  5. Step 5: Solve for x
    x = 20,498,732,215.87/153,884.54
  6. Step 6: Final answer
    x = 133,208.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.