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Finding the Fourth Proportional to 96,676.61, 133,411.72 and 53,653.60

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Solution

The fourth proportional to 96,676.61, 133,411.72 and 53,653.60 is: 74,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,676.61 : 133,411.72 = 53,653.60 : x
  2. Step 2: Convert to fraction form
    96,676.61/133,411.72 = 53,653.60/x
  3. Step 3: Cross multiply
    96,676.61x = 133,411.72 × 53,653.60
  4. Step 4: Simplify right side
    96,676.61x = 7,158,019,307.37
  5. Step 5: Solve for x
    x = 7,158,019,307.37/96,676.61
  6. Step 6: Final answer
    x = 74,040.86

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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.