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Finding the Fourth Proportional to 96,312.48, 132,914.40 and 53,878.56

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Solution

The fourth proportional to 96,312.48, 132,914.40 and 53,878.56 is: 74,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,312.48 : 132,914.40 = 53,878.56 : x
  2. Step 2: Convert to fraction form
    96,312.48/132,914.40 = 53,878.56/x
  3. Step 3: Cross multiply
    96,312.48x = 132,914.40 × 53,878.56
  4. Step 4: Simplify right side
    96,312.48x = 7,161,236,475.26
  5. Step 5: Solve for x
    x = 7,161,236,475.26/96,312.48
  6. Step 6: Final answer
    x = 74,354.19

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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.