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Finding the Fourth Proportional to 237,138.71, 355,681.85 and 59,645.78

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Solution

The fourth proportional to 237,138.71, 355,681.85 and 59,645.78 is: 89,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,138.71 : 355,681.85 = 59,645.78 : x
  2. Step 2: Convert to fraction form
    237,138.71/355,681.85 = 59,645.78/x
  3. Step 3: Cross multiply
    237,138.71x = 355,681.85 × 59,645.78
  4. Step 4: Simplify right side
    237,138.71x = 21,214,922,413.41
  5. Step 5: Solve for x
    x = 21,214,922,413.41/237,138.71
  6. Step 6: Final answer
    x = 89,462.08

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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.