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Finding the Fourth Proportional to 124,573.40, 186,832.08 and 35,807.12

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Solution

The fourth proportional to 124,573.40, 186,832.08 and 35,807.12 is: 53,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,573.40 : 186,832.08 = 35,807.12 : x
  2. Step 2: Convert to fraction form
    124,573.40/186,832.08 = 35,807.12/x
  3. Step 3: Cross multiply
    124,573.40x = 186,832.08 × 35,807.12
  4. Step 4: Simplify right side
    124,573.40x = 6,689,918,708.41
  5. Step 5: Solve for x
    x = 6,689,918,708.41/124,573.40
  6. Step 6: Final answer
    x = 53,702.63

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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.