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Finding the Fourth Proportional to 147,329.01, 221,059.08 and 77,191.92

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Solution

The fourth proportional to 147,329.01, 221,059.08 and 77,191.92 is: 115,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,329.01 : 221,059.08 = 77,191.92 : x
  2. Step 2: Convert to fraction form
    147,329.01/221,059.08 = 77,191.92/x
  3. Step 3: Cross multiply
    147,329.01x = 221,059.08 × 77,191.92
  4. Step 4: Simplify right side
    147,329.01x = 17,063,974,818.63
  5. Step 5: Solve for x
    x = 17,063,974,818.63/147,329.01
  6. Step 6: Final answer
    x = 115,822.23

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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.