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Finding the Fourth Proportional to 235,054.20, 352,642.10 and 101,903.70

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Solution

The fourth proportional to 235,054.20, 352,642.10 and 101,903.70 is: 152,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,054.20 : 352,642.10 = 101,903.70 : x
  2. Step 2: Convert to fraction form
    235,054.20/352,642.10 = 101,903.70/x
  3. Step 3: Cross multiply
    235,054.20x = 352,642.10 × 101,903.70
  4. Step 4: Simplify right side
    235,054.20x = 35,935,534,256.25
  5. Step 5: Solve for x
    x = 35,935,534,256.25/235,054.20
  6. Step 6: Final answer
    x = 152,881.91

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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.