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Finding the Fourth Proportional to 237,073.60, 355,661.60 and 70,878.40

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Solution

The fourth proportional to 237,073.60, 355,661.60 and 70,878.40 is: 106,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,073.60 : 355,661.60 = 70,878.40 : x
  2. Step 2: Convert to fraction form
    237,073.60/355,661.60 = 70,878.40/x
  3. Step 3: Cross multiply
    237,073.60x = 355,661.60 × 70,878.40
  4. Step 4: Simplify right side
    237,073.60x = 25,208,725,149.44
  5. Step 5: Solve for x
    x = 25,208,725,149.44/237,073.60
  6. Step 6: Final answer
    x = 106,332.91

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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.