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Finding the Fourth Proportional to 235,707.71, 353,363.51 and 191,224.13

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Solution

The fourth proportional to 235,707.71, 353,363.51 and 191,224.13 is: 286,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,707.71 : 353,363.51 = 191,224.13 : x
  2. Step 2: Convert to fraction form
    235,707.71/353,363.51 = 191,224.13/x
  3. Step 3: Cross multiply
    235,707.71x = 353,363.51 × 191,224.13
  4. Step 4: Simplify right side
    235,707.71x = 67,571,628,484.74
  5. Step 5: Solve for x
    x = 67,571,628,484.74/235,707.71
  6. Step 6: Final answer
    x = 286,675.52

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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.