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Finding the Fourth Proportional to 185,018.22, 277,361.19 and 153,630

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Solution

The fourth proportional to 185,018.22, 277,361.19 and 153,630 is: 230,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,018.22 : 277,361.19 = 153,630 : x
  2. Step 2: Convert to fraction form
    185,018.22/277,361.19 = 153,630/x
  3. Step 3: Cross multiply
    185,018.22x = 277,361.19 × 153,630
  4. Step 4: Simplify right side
    185,018.22x = 42,610,999,619.70
  5. Step 5: Solve for x
    x = 42,610,999,619.70/185,018.22
  6. Step 6: Final answer
    x = 230,307.05

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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.