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Finding the Fourth Proportional to 166,567.32, 249,871.72 and 54,258.88

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Solution

The fourth proportional to 166,567.32, 249,871.72 and 54,258.88 is: 81,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,567.32 : 249,871.72 = 54,258.88 : x
  2. Step 2: Convert to fraction form
    166,567.32/249,871.72 = 54,258.88/x
  3. Step 3: Cross multiply
    166,567.32x = 249,871.72 × 54,258.88
  4. Step 4: Simplify right side
    166,567.32x = 13,557,759,670.87
  5. Step 5: Solve for x
    x = 13,557,759,670.87/166,567.32
  6. Step 6: Final answer
    x = 81,395.08

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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.