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Finding the Fourth Proportional to 241,987.80, 362,981.70 and 153,341.40

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Solution

The fourth proportional to 241,987.80, 362,981.70 and 153,341.40 is: 230,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,987.80 : 362,981.70 = 153,341.40 : x
  2. Step 2: Convert to fraction form
    241,987.80/362,981.70 = 153,341.40/x
  3. Step 3: Cross multiply
    241,987.80x = 362,981.70 × 153,341.40
  4. Step 4: Simplify right side
    241,987.80x = 55,660,122,052.38
  5. Step 5: Solve for x
    x = 55,660,122,052.38/241,987.80
  6. Step 6: Final answer
    x = 230,012.10

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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.