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Finding the Fourth Proportional to 166,074.30, 249,111.45 and 55,266.30

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Solution

The fourth proportional to 166,074.30, 249,111.45 and 55,266.30 is: 82,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,074.30 : 249,111.45 = 55,266.30 : x
  2. Step 2: Convert to fraction form
    166,074.30/249,111.45 = 55,266.30/x
  3. Step 3: Cross multiply
    166,074.30x = 249,111.45 × 55,266.30
  4. Step 4: Simplify right side
    166,074.30x = 13,767,468,129.14
  5. Step 5: Solve for x
    x = 13,767,468,129.14/166,074.30
  6. Step 6: Final answer
    x = 82,899.45

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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.