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Finding the Fourth Proportional to 104,360.40, 156,503.40 and 37,783.32

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Solution

The fourth proportional to 104,360.40, 156,503.40 and 37,783.32 is: 56,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,360.40 : 156,503.40 = 37,783.32 : x
  2. Step 2: Convert to fraction form
    104,360.40/156,503.40 = 37,783.32/x
  3. Step 3: Cross multiply
    104,360.40x = 156,503.40 × 37,783.32
  4. Step 4: Simplify right side
    104,360.40x = 5,913,218,043.29
  5. Step 5: Solve for x
    x = 5,913,218,043.29/104,360.40
  6. Step 6: Final answer
    x = 56,661.51

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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.