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Finding the Fourth Proportional to 166,607.42, 249,757.80 and 90,594.90

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Solution

The fourth proportional to 166,607.42, 249,757.80 and 90,594.90 is: 135,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,607.42 : 249,757.80 = 90,594.90 : x
  2. Step 2: Convert to fraction form
    166,607.42/249,757.80 = 90,594.90/x
  3. Step 3: Cross multiply
    166,607.42x = 249,757.80 × 90,594.90
  4. Step 4: Simplify right side
    166,607.42x = 22,626,782,915.22
  5. Step 5: Solve for x
    x = 22,626,782,915.22/166,607.42
  6. Step 6: Final answer
    x = 135,808.98

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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.