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Finding the Fourth Proportional to 226,643.80, 340,095.30 and 156,573.40

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Solution

The fourth proportional to 226,643.80, 340,095.30 and 156,573.40 is: 234,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,643.80 : 340,095.30 = 156,573.40 : x
  2. Step 2: Convert to fraction form
    226,643.80/340,095.30 = 156,573.40/x
  3. Step 3: Cross multiply
    226,643.80x = 340,095.30 × 156,573.40
  4. Step 4: Simplify right side
    226,643.80x = 53,249,877,445.02
  5. Step 5: Solve for x
    x = 53,249,877,445.02/226,643.80
  6. Step 6: Final answer
    x = 234,949.63

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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.