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Finding the Fourth Proportional to 157,017.78, 235,229.99 and 92,784.32

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Solution

The fourth proportional to 157,017.78, 235,229.99 and 92,784.32 is: 139,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,017.78 : 235,229.99 = 92,784.32 : x
  2. Step 2: Convert to fraction form
    157,017.78/235,229.99 = 92,784.32/x
  3. Step 3: Cross multiply
    157,017.78x = 235,229.99 × 92,784.32
  4. Step 4: Simplify right side
    157,017.78x = 21,825,653,025.69
  5. Step 5: Solve for x
    x = 21,825,653,025.69/157,017.78
  6. Step 6: Final answer
    x = 139,001.16

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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.