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Finding the Fourth Proportional to 374,813.68, 562,102.80 and 125,437.36

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Solution

The fourth proportional to 374,813.68, 562,102.80 and 125,437.36 is: 188,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,813.68 : 562,102.80 = 125,437.36 : x
  2. Step 2: Convert to fraction form
    374,813.68/562,102.80 = 125,437.36/x
  3. Step 3: Cross multiply
    374,813.68x = 562,102.80 × 125,437.36
  4. Step 4: Simplify right side
    374,813.68x = 70,508,691,280.61
  5. Step 5: Solve for x
    x = 70,508,691,280.61/374,813.68
  6. Step 6: Final answer
    x = 188,116.64

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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.