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Finding the Fourth Proportional to 329,053.17, 493,621.29 and 112,954.02

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Solution

The fourth proportional to 329,053.17, 493,621.29 and 112,954.02 is: 169,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,053.17 : 493,621.29 = 112,954.02 : x
  2. Step 2: Convert to fraction form
    329,053.17/493,621.29 = 112,954.02/x
  3. Step 3: Cross multiply
    329,053.17x = 493,621.29 × 112,954.02
  4. Step 4: Simplify right side
    329,053.17x = 55,756,506,894.32
  5. Step 5: Solve for x
    x = 55,756,506,894.32/329,053.17
  6. Step 6: Final answer
    x = 169,445.28

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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.