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Finding the Fourth Proportional to 304,159.95, 419,743.45 and 168,203.04

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Solution

The fourth proportional to 304,159.95, 419,743.45 and 168,203.04 is: 232,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,159.95 : 419,743.45 = 168,203.04 : x
  2. Step 2: Convert to fraction form
    304,159.95/419,743.45 = 168,203.04/x
  3. Step 3: Cross multiply
    304,159.95x = 419,743.45 × 168,203.04
  4. Step 4: Simplify right side
    304,159.95x = 70,602,125,542.82
  5. Step 5: Solve for x
    x = 70,602,125,542.82/304,159.95
  6. Step 6: Final answer
    x = 232,121.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.