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Finding the Fourth Proportional to 162,866.14, 243,938.30 and 125,148.58

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Solution

The fourth proportional to 162,866.14, 243,938.30 and 125,148.58 is: 187,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,866.14 : 243,938.30 = 125,148.58 : x
  2. Step 2: Convert to fraction form
    162,866.14/243,938.30 = 125,148.58/x
  3. Step 3: Cross multiply
    162,866.14x = 243,938.30 × 125,148.58
  4. Step 4: Simplify right side
    162,866.14x = 30,528,531,852.61
  5. Step 5: Solve for x
    x = 30,528,531,852.61/162,866.14
  6. Step 6: Final answer
    x = 187,445.54

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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.