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Finding the Fourth Proportional to 105,602.58, 158,410.98 and 39,041.10

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Solution

The fourth proportional to 105,602.58, 158,410.98 and 39,041.10 is: 58,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,602.58 : 158,410.98 = 39,041.10 : x
  2. Step 2: Convert to fraction form
    105,602.58/158,410.98 = 39,041.10/x
  3. Step 3: Cross multiply
    105,602.58x = 158,410.98 × 39,041.10
  4. Step 4: Simplify right side
    105,602.58x = 6,184,538,911.28
  5. Step 5: Solve for x
    x = 6,184,538,911.28/105,602.58
  6. Step 6: Final answer
    x = 58,564.28

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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.