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Finding the Fourth Proportional to 374,729.21, 562,101.10 and 137,950.01

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Solution

The fourth proportional to 374,729.21, 562,101.10 and 137,950.01 is: 206,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,729.21 : 562,101.10 = 137,950.01 : x
  2. Step 2: Convert to fraction form
    374,729.21/562,101.10 = 137,950.01/x
  3. Step 3: Cross multiply
    374,729.21x = 562,101.10 × 137,950.01
  4. Step 4: Simplify right side
    374,729.21x = 77,541,852,366.01
  5. Step 5: Solve for x
    x = 77,541,852,366.01/374,729.21
  6. Step 6: Final answer
    x = 206,927.70

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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.