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Finding the Fourth Proportional to 124,276, 186,247.32 and 60,999.52

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Solution

The fourth proportional to 124,276, 186,247.32 and 60,999.52 is: 91,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,276 : 186,247.32 = 60,999.52 : x
  2. Step 2: Convert to fraction form
    124,276/186,247.32 = 60,999.52/x
  3. Step 3: Cross multiply
    124,276x = 186,247.32 × 60,999.52
  4. Step 4: Simplify right side
    124,276x = 11,360,997,121.29
  5. Step 5: Solve for x
    x = 11,360,997,121.29/124,276
  6. Step 6: Final answer
    x = 91,417.47

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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.