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Finding the Fourth Proportional to 133,575.32, 200,464.54 and 49,415.08

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Solution

The fourth proportional to 133,575.32, 200,464.54 and 49,415.08 is: 74,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,575.32 : 200,464.54 = 49,415.08 : x
  2. Step 2: Convert to fraction form
    133,575.32/200,464.54 = 49,415.08/x
  3. Step 3: Cross multiply
    133,575.32x = 200,464.54 × 49,415.08
  4. Step 4: Simplify right side
    133,575.32x = 9,905,971,281.26
  5. Step 5: Solve for x
    x = 9,905,971,281.26/133,575.32
  6. Step 6: Final answer
    x = 74,160.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.