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Finding the Fourth Proportional to 157,036.78, 235,525.12 and 60,974.00

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Solution

The fourth proportional to 157,036.78, 235,525.12 and 60,974.00 is: 91,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,036.78 : 235,525.12 = 60,974.00 : x
  2. Step 2: Convert to fraction form
    157,036.78/235,525.12 = 60,974.00/x
  3. Step 3: Cross multiply
    157,036.78x = 235,525.12 × 60,974.00
  4. Step 4: Simplify right side
    157,036.78x = 14,360,907,184.38
  5. Step 5: Solve for x
    x = 14,360,907,184.38/157,036.78
  6. Step 6: Final answer
    x = 91,449.33

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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.