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Finding the Fourth Proportional to 237,240.63, 355,860.63 and 77,316.32

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Solution

The fourth proportional to 237,240.63, 355,860.63 and 77,316.32 is: 115,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,240.63 : 355,860.63 = 77,316.32 : x
  2. Step 2: Convert to fraction form
    237,240.63/355,860.63 = 77,316.32/x
  3. Step 3: Cross multiply
    237,240.63x = 355,860.63 × 77,316.32
  4. Step 4: Simplify right side
    237,240.63x = 27,513,834,344.48
  5. Step 5: Solve for x
    x = 27,513,834,344.48/237,240.63
  6. Step 6: Final answer
    x = 115,974.38

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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.