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Finding the Fourth Proportional to 445,574.58, 668,094.93 and 141,837.51

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Solution

The fourth proportional to 445,574.58, 668,094.93 and 141,837.51 is: 212,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,574.58 : 668,094.93 = 141,837.51 : x
  2. Step 2: Convert to fraction form
    445,574.58/668,094.93 = 141,837.51/x
  3. Step 3: Cross multiply
    445,574.58x = 668,094.93 × 141,837.51
  4. Step 4: Simplify right side
    445,574.58x = 94,760,920,605.64
  5. Step 5: Solve for x
    x = 94,760,920,605.64/445,574.58
  6. Step 6: Final answer
    x = 212,671.29

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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.