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Finding the Fourth Proportional to 105,662.88, 158,338.80 and 46,444.32

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Solution

The fourth proportional to 105,662.88, 158,338.80 and 46,444.32 is: 69,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,662.88 : 158,338.80 = 46,444.32 : x
  2. Step 2: Convert to fraction form
    105,662.88/158,338.80 = 46,444.32/x
  3. Step 3: Cross multiply
    105,662.88x = 158,338.80 × 46,444.32
  4. Step 4: Simplify right side
    105,662.88x = 7,353,937,895.62
  5. Step 5: Solve for x
    x = 7,353,937,895.62/105,662.88
  6. Step 6: Final answer
    x = 69,598.12

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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.