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Finding the Fourth Proportional to 166,502.70, 249,754.05 and 124,512.30

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Solution

The fourth proportional to 166,502.70, 249,754.05 and 124,512.30 is: 186,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,502.70 : 249,754.05 = 124,512.30 : x
  2. Step 2: Convert to fraction form
    166,502.70/249,754.05 = 124,512.30/x
  3. Step 3: Cross multiply
    166,502.70x = 249,754.05 × 124,512.30
  4. Step 4: Simplify right side
    166,502.70x = 31,097,451,199.82
  5. Step 5: Solve for x
    x = 31,097,451,199.82/166,502.70
  6. Step 6: Final answer
    x = 186,768.45

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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.