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Finding the Fourth Proportional to 96,347.40, 132,963.30 and 53,903.40

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Solution

The fourth proportional to 96,347.40, 132,963.30 and 53,903.40 is: 74,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,347.40 : 132,963.30 = 53,903.40 : x
  2. Step 2: Convert to fraction form
    96,347.40/132,963.30 = 53,903.40/x
  3. Step 3: Cross multiply
    96,347.40x = 132,963.30 × 53,903.40
  4. Step 4: Simplify right side
    96,347.40x = 7,167,173,945.22
  5. Step 5: Solve for x
    x = 7,167,173,945.22/96,347.40
  6. Step 6: Final answer
    x = 74,388.87

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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.