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Finding the Fourth Proportional to 166,082.10, 249,123.15 and 154,928.40

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Solution

The fourth proportional to 166,082.10, 249,123.15 and 154,928.40 is: 232,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,082.10 : 249,123.15 = 154,928.40 : x
  2. Step 2: Convert to fraction form
    166,082.10/249,123.15 = 154,928.40/x
  3. Step 3: Cross multiply
    166,082.10x = 249,123.15 × 154,928.40
  4. Step 4: Simplify right side
    166,082.10x = 38,596,251,032.46
  5. Step 5: Solve for x
    x = 38,596,251,032.46/166,082.10
  6. Step 6: Final answer
    x = 232,392.60

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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.