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Finding the Fourth Proportional to 235,122.69, 352,684.04 and 77,308.77

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Solution

The fourth proportional to 235,122.69, 352,684.04 and 77,308.77 is: 115,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,122.69 : 352,684.04 = 77,308.77 : x
  2. Step 2: Convert to fraction form
    235,122.69/352,684.04 = 77,308.77/x
  3. Step 3: Cross multiply
    235,122.69x = 352,684.04 × 77,308.77
  4. Step 4: Simplify right side
    235,122.69x = 27,265,569,331.03
  5. Step 5: Solve for x
    x = 27,265,569,331.03/235,122.69
  6. Step 6: Final answer
    x = 115,963.16

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1.5x scale

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.