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Finding the Fourth Proportional to 97,017.84, 133,873.92 and 54,575.64

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Solution

The fourth proportional to 97,017.84, 133,873.92 and 54,575.64 is: 75,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,017.84 : 133,873.92 = 54,575.64 : x
  2. Step 2: Convert to fraction form
    97,017.84/133,873.92 = 54,575.64/x
  3. Step 3: Cross multiply
    97,017.84x = 133,873.92 × 54,575.64
  4. Step 4: Simplify right side
    97,017.84x = 7,306,254,863.31
  5. Step 5: Solve for x
    x = 7,306,254,863.31/97,017.84
  6. Step 6: Final answer
    x = 75,308.36

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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.