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Finding the Fourth Proportional to 166,611.60, 249,938.19 and 54,303.12

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Solution

The fourth proportional to 166,611.60, 249,938.19 and 54,303.12 is: 81,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,611.60 : 249,938.19 = 54,303.12 : x
  2. Step 2: Convert to fraction form
    166,611.60/249,938.19 = 54,303.12/x
  3. Step 3: Cross multiply
    166,611.60x = 249,938.19 × 54,303.12
  4. Step 4: Simplify right side
    166,611.60x = 13,572,423,524.15
  5. Step 5: Solve for x
    x = 13,572,423,524.15/166,611.60
  6. Step 6: Final answer
    x = 81,461.46

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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.