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Finding the Fourth Proportional to 109,364.34, 150,924.32 and 60,964.89

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Solution

The fourth proportional to 109,364.34, 150,924.32 and 60,964.89 is: 84,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,364.34 : 150,924.32 = 60,964.89 : x
  2. Step 2: Convert to fraction form
    109,364.34/150,924.32 = 60,964.89/x
  3. Step 3: Cross multiply
    109,364.34x = 150,924.32 × 60,964.89
  4. Step 4: Simplify right side
    109,364.34x = 9,201,084,567.12
  5. Step 5: Solve for x
    x = 9,201,084,567.12/109,364.34
  6. Step 6: Final answer
    x = 84,132.40

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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.