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Finding the Fourth Proportional to 96,354.72, 132,973.11 and 53,913.56

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Solution

The fourth proportional to 96,354.72, 132,973.11 and 53,913.56 is: 74,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,354.72 : 132,973.11 = 53,913.56 : x
  2. Step 2: Convert to fraction form
    96,354.72/132,973.11 = 53,913.56/x
  3. Step 3: Cross multiply
    96,354.72x = 132,973.11 × 53,913.56
  4. Step 4: Simplify right side
    96,354.72x = 7,169,053,079.51
  5. Step 5: Solve for x
    x = 7,169,053,079.51/96,354.72
  6. Step 6: Final answer
    x = 74,402.72

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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.