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Finding the Fourth Proportional to 194,365.20, 291,547.80 and 111,200.88

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Solution

The fourth proportional to 194,365.20, 291,547.80 and 111,200.88 is: 166,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,365.20 : 291,547.80 = 111,200.88 : x
  2. Step 2: Convert to fraction form
    194,365.20/291,547.80 = 111,200.88/x
  3. Step 3: Cross multiply
    194,365.20x = 291,547.80 × 111,200.88
  4. Step 4: Simplify right side
    194,365.20x = 32,420,371,922.06
  5. Step 5: Solve for x
    x = 32,420,371,922.06/194,365.20
  6. Step 6: Final answer
    x = 166,801.32

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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.