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Finding the Fourth Proportional to 108,653.34, 162,914.13 and 42,037.32

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Solution

The fourth proportional to 108,653.34, 162,914.13 and 42,037.32 is: 63,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,653.34 : 162,914.13 = 42,037.32 : x
  2. Step 2: Convert to fraction form
    108,653.34/162,914.13 = 42,037.32/x
  3. Step 3: Cross multiply
    108,653.34x = 162,914.13 × 42,037.32
  4. Step 4: Simplify right side
    108,653.34x = 6,848,473,415.33
  5. Step 5: Solve for x
    x = 6,848,473,415.33/108,653.34
  6. Step 6: Final answer
    x = 63,030.49

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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.