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Finding the Fourth Proportional to 147,797.79, 221,708.90 and 63,559.95

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Solution

The fourth proportional to 147,797.79, 221,708.90 and 63,559.95 is: 95,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,797.79 : 221,708.90 = 63,559.95 : x
  2. Step 2: Convert to fraction form
    147,797.79/221,708.90 = 63,559.95/x
  3. Step 3: Cross multiply
    147,797.79x = 221,708.90 × 63,559.95
  4. Step 4: Simplify right side
    147,797.79x = 14,091,806,598.56
  5. Step 5: Solve for x
    x = 14,091,806,598.56/147,797.79
  6. Step 6: Final answer
    x = 95,345.18

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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.