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Finding the Fourth Proportional to 153,160.80, 229,222.80 and 134,498.40

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Solution

The fourth proportional to 153,160.80, 229,222.80 and 134,498.40 is: 201,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,160.80 : 229,222.80 = 134,498.40 : x
  2. Step 2: Convert to fraction form
    153,160.80/229,222.80 = 134,498.40/x
  3. Step 3: Cross multiply
    153,160.80x = 229,222.80 × 134,498.40
  4. Step 4: Simplify right side
    153,160.80x = 30,830,099,843.52
  5. Step 5: Solve for x
    x = 30,830,099,843.52/153,160.80
  6. Step 6: Final answer
    x = 201,292.37

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1.5x scale

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.