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Finding the Fourth Proportional to 535,095.60, 802,643.40 and 161,118.60

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Solution

The fourth proportional to 535,095.60, 802,643.40 and 161,118.60 is: 241,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,095.60 : 802,643.40 = 161,118.60 : x
  2. Step 2: Convert to fraction form
    535,095.60/802,643.40 = 161,118.60/x
  3. Step 3: Cross multiply
    535,095.60x = 802,643.40 × 161,118.60
  4. Step 4: Simplify right side
    535,095.60x = 129,320,780,907.24
  5. Step 5: Solve for x
    x = 129,320,780,907.24/535,095.60
  6. Step 6: Final answer
    x = 241,677.90

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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.