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Finding the Fourth Proportional to 216,253.31, 324,263.33 and 83,167.07

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Solution

The fourth proportional to 216,253.31, 324,263.33 and 83,167.07 is: 124,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,253.31 : 324,263.33 = 83,167.07 : x
  2. Step 2: Convert to fraction form
    216,253.31/324,263.33 = 83,167.07/x
  3. Step 3: Cross multiply
    216,253.31x = 324,263.33 × 83,167.07
  4. Step 4: Simplify right side
    216,253.31x = 26,968,030,648.71
  5. Step 5: Solve for x
    x = 26,968,030,648.71/216,253.31
  6. Step 6: Final answer
    x = 124,705.75

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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.