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Finding the Fourth Proportional to 96,345.90, 132,961.23 and 53,901.90

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Solution

The fourth proportional to 96,345.90, 132,961.23 and 53,901.90 is: 74,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,345.90 : 132,961.23 = 53,901.90 : x
  2. Step 2: Convert to fraction form
    96,345.90/132,961.23 = 53,901.90/x
  3. Step 3: Cross multiply
    96,345.90x = 132,961.23 × 53,901.90
  4. Step 4: Simplify right side
    96,345.90x = 7,166,862,923.34
  5. Step 5: Solve for x
    x = 7,166,862,923.34/96,345.90
  6. Step 6: Final answer
    x = 74,386.80

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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.