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Finding the Fourth Proportional to 235,307.36, 324,726.21 and 127,877.39

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Solution

The fourth proportional to 235,307.36, 324,726.21 and 127,877.39 is: 176,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,307.36 : 324,726.21 = 127,877.39 : x
  2. Step 2: Convert to fraction form
    235,307.36/324,726.21 = 127,877.39/x
  3. Step 3: Cross multiply
    235,307.36x = 324,726.21 × 127,877.39
  4. Step 4: Simplify right side
    235,307.36x = 41,525,138,575.76
  5. Step 5: Solve for x
    x = 41,525,138,575.76/235,307.36
  6. Step 6: Final answer
    x = 176,471.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.