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Finding the Fourth Proportional to 157,099.15, 235,648.73 and 157,099.15

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Solution

The fourth proportional to 157,099.15, 235,648.73 and 157,099.15 is: 235,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,099.15 : 235,648.73 = 157,099.15 : x
  2. Step 2: Convert to fraction form
    157,099.15/235,648.73 = 157,099.15/x
  3. Step 3: Cross multiply
    157,099.15x = 235,648.73 × 157,099.15
  4. Step 4: Simplify right side
    157,099.15x = 37,020,215,181.58
  5. Step 5: Solve for x
    x = 37,020,215,181.58/157,099.15
  6. Step 6: Final answer
    x = 235,648.73

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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.