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Finding the Fourth Proportional to 169,480,801.80, 254,221,202.70 and 54,476,969.40

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Solution

The fourth proportional to 169,480,801.80, 254,221,202.70 and 54,476,969.40 is: 81,715,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,480,801.80 : 254,221,202.70 = 54,476,969.40 : x
  2. Step 2: Convert to fraction form
    169,480,801.80/254,221,202.70 = 54,476,969.40/x
  3. Step 3: Cross multiply
    169,480,801.80x = 254,221,202.70 × 54,476,969.40
  4. Step 4: Simplify right side
    169,480,801.80x = 13,849,200,680,319,096
  5. Step 5: Solve for x
    x = 13,849,200,680,319,096/169,480,801.80
  6. Step 6: Final answer
    x = 81,715,454.10

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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.